1213377975

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 2469841920

約数和(自身を除く): 1256463945

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 31, 45, 51, 75, 81, 85, 93, 135, 153, 155, 225, 243, 255, 279, 379, 405, 425, 459, 465, 527, 675, 765, 775, 837, 1137, 1215, 1275, 1377, 1395, 1581, 1895, 2025, 2295, 2325, 2511, 2635, 3411, 3825, 4131, 4185, 4743, 5685, 6075, 6443, 6885, 6975, 7533, 7905, 9475, 10233, 11475, 11749, 12555, 13175, 14229, 17055, 19329, 20655, 20925, 23715, 28425, 30699, 32215, 34425, 35247, 37665, 39525, 42687, 51165, 57987, 58745, 62775, 71145, 85275, 92097, 96645, 103275, 105741, 118575, 128061, 153495, 161075, 173961, 176235, 188325, 199733, 213435, 255825, 289935, 293725, 317223, 355725, 460485, 483225, 521883, 528705, 599199, 640305, 767475, 869805, 881175, 951669, 998665, 1067175, 1449675, 1565649, 1586115, 1797597, 2302425, 2609415, 2643525, 2855007, 2995995, 3201525, 4349025, 4758345, 4993325, 5392791, 7828245, 7930575, 8987985, 13047075, 14275035, 14979975, 16178373, 23791725, 26963955, 39141225, 44939925, 48535119, 71375175, 80891865, 134819775, 242675595, 404459325, 1213377975]

約数ペア:

[(1, 1213377975), (3, 404459325), (5, 242675595), (9, 134819775), (15, 80891865), (17, 71375175), (25, 48535119), (27, 44939925), (31, 39141225), (45, 26963955), (51, 23791725), (75, 16178373), (81, 14979975), (85, 14275035), (93, 13047075), (135, 8987985), (153, 7930575), (155, 7828245), (225, 5392791), (243, 4993325), (255, 4758345), (279, 4349025), (379, 3201525), (405, 2995995), (425, 2855007), (459, 2643525), (465, 2609415), (527, 2302425), (675, 1797597), (765, 1586115), (775, 1565649), (837, 1449675), (1137, 1067175), (1215, 998665), (1275, 951669), (1377, 881175), (1395, 869805), (1581, 767475), (1895, 640305), (2025, 599199), (2295, 528705), (2325, 521883), (2511, 483225), (2635, 460485), (3411, 355725), (3825, 317223), (4131, 293725), (4185, 289935), (4743, 255825), (5685, 213435), (6075, 199733), (6443, 188325), (6885, 176235), (6975, 173961), (7533, 161075), (7905, 153495), (9475, 128061), (10233, 118575), (11475, 105741), (11749, 103275), (12555, 96645), (13175, 92097), (14229, 85275), (17055, 71145), (19329, 62775), (20655, 58745), (20925, 57987), (23715, 51165), (28425, 42687), (30699, 39525), (32215, 37665), (34425, 35247)]