1230257925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{18287}}^1$

素因数の和:18339

約数の個数: 72

約数和(自身を含む): 2476341504

約数和(自身を除く): 1246083579

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 575, 585, 897, 975, 1035, 1495, 1725, 2691, 2925, 4485, 5175, 7475, 13455, 18287, 22425, 54861, 67275, 91435, 164583, 237731, 274305, 420601, 457175, 713193, 822915, 1188655, 1261803, 1371525, 2103005, 2139579, 3565965, 3785409, 4114575, 5467813, 5943275, 6309015, 10515025, 10697895, 16403439, 17829825, 18927045, 27339065, 31545075, 49210317, 53489475, 82017195, 94635225, 136695325, 246051585, 410085975, 1230257925]

約数ペア:

[(1, 1230257925), (3, 410085975), (5, 246051585), (9, 136695325), (13, 94635225), (15, 82017195), (23, 53489475), (25, 49210317), (39, 31545075), (45, 27339065), (65, 18927045), (69, 17829825), (75, 16403439), (115, 10697895), (117, 10515025), (195, 6309015), (207, 5943275), (225, 5467813), (299, 4114575), (325, 3785409), (345, 3565965), (575, 2139579), (585, 2103005), (897, 1371525), (975, 1261803), (1035, 1188655), (1495, 822915), (1725, 713193), (2691, 457175), (2925, 420601), (4485, 274305), (5175, 237731), (7475, 164583), (13455, 91435), (18287, 67275), (22425, 54861)]