17971884975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 33990935552

約数和(自身を除く): 16019050577

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 121, 155, 165, 193, 275, 331, 341, 363, 465, 579, 605, 775, 825, 965, 993, 1023, 1655, 1705, 1815, 2123, 2325, 2895, 3025, 3641, 3751, 4825, 4965, 5115, 5983, 6369, 8275, 8525, 9075, 10261, 10615, 10923, 11253, 14475, 17949, 18205, 18755, 23353, 24825, 25575, 29915, 30783, 31845, 40051, 51305, 53075, 54615, 56265, 63883, 65813, 70059, 89745, 91025, 93775, 112871, 116765, 120153, 149575, 153915, 159225, 191649, 197439, 200255, 256525, 273075, 281325, 319415, 329065, 338613, 350295, 448725, 564355, 583825, 600765, 702713, 723943, 769575, 958245, 987195, 1001275, 1241581, 1597075, 1645325, 1693065, 1751475, 1980373, 2108139, 2171829, 2821775, 3003825, 3513565, 3619715, 3724743, 4791225, 4935975, 5941119, 6207905, 7729843, 8465325, 9901865, 10540695, 10859145, 17567825, 18098575, 18623715, 21784103, 23189529, 29705595, 31039525, 38649215, 49509325, 52703475, 54295725, 65352309, 93118575, 108920515, 115947645, 148527975, 193246075, 239625133, 326761545, 544602575, 579738225, 718875399, 1198125665, 1633807725, 3594376995, 5990628325, 17971884975]

約数ペア:

[(1, 17971884975), (3, 5990628325), (5, 3594376995), (11, 1633807725), (15, 1198125665), (25, 718875399), (31, 579738225), (33, 544602575), (55, 326761545), (75, 239625133), (93, 193246075), (121, 148527975), (155, 115947645), (165, 108920515), (193, 93118575), (275, 65352309), (331, 54295725), (341, 52703475), (363, 49509325), (465, 38649215), (579, 31039525), (605, 29705595), (775, 23189529), (825, 21784103), (965, 18623715), (993, 18098575), (1023, 17567825), (1655, 10859145), (1705, 10540695), (1815, 9901865), (2123, 8465325), (2325, 7729843), (2895, 6207905), (3025, 5941119), (3641, 4935975), (3751, 4791225), (4825, 3724743), (4965, 3619715), (5115, 3513565), (5983, 3003825), (6369, 2821775), (8275, 2171829), (8525, 2108139), (9075, 1980373), (10261, 1751475), (10615, 1693065), (10923, 1645325), (11253, 1597075), (14475, 1241581), (17949, 1001275), (18205, 987195), (18755, 958245), (23353, 769575), (24825, 723943), (25575, 702713), (29915, 600765), (30783, 583825), (31845, 564355), (40051, 448725), (51305, 350295), (53075, 338613), (54615, 329065), (56265, 319415), (63883, 281325), (65813, 273075), (70059, 256525), (89745, 200255), (91025, 197439), (93775, 191649), (112871, 159225), (116765, 153915), (120153, 149575)]