208260975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 398974464

約数和(自身を除く): 190713489

約数列:

[1, 3, 5, 13, 15, 23, 25, 37, 39, 65, 69, 75, 111, 115, 185, 195, 251, 299, 325, 345, 481, 555, 575, 753, 851, 897, 925, 975, 1255, 1443, 1495, 1725, 2405, 2553, 2775, 3263, 3765, 4255, 4485, 5773, 6275, 7215, 7475, 9287, 9789, 11063, 12025, 12765, 16315, 17319, 18825, 21275, 22425, 27861, 28865, 33189, 36075, 46435, 48945, 55315, 63825, 75049, 81575, 86595, 120731, 139305, 144325, 165945, 213601, 225147, 232175, 244725, 276575, 362193, 375245, 432975, 603655, 640803, 696525, 829725, 1068005, 1125735, 1810965, 1876225, 2776813, 3018275, 3204015, 5340025, 5628675, 8330439, 9054825, 13884065, 16020075, 41652195, 69420325, 208260975]

約数ペア:

[(1, 208260975), (3, 69420325), (5, 41652195), (13, 16020075), (15, 13884065), (23, 9054825), (25, 8330439), (37, 5628675), (39, 5340025), (65, 3204015), (69, 3018275), (75, 2776813), (111, 1876225), (115, 1810965), (185, 1125735), (195, 1068005), (251, 829725), (299, 696525), (325, 640803), (345, 603655), (481, 432975), (555, 375245), (575, 362193), (753, 276575), (851, 244725), (897, 232175), (925, 225147), (975, 213601), (1255, 165945), (1443, 144325), (1495, 139305), (1725, 120731), (2405, 86595), (2553, 81575), (2775, 75049), (3263, 63825), (3765, 55315), (4255, 48945), (4485, 46435), (5773, 36075), (6275, 33189), (7215, 28865), (7475, 27861), (9287, 22425), (9789, 21275), (11063, 18825), (12025, 17319), (12765, 16315)]