64667625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 119778048

約数和(自身を除く): 55110423

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 61, 75, 125, 165, 183, 257, 275, 305, 375, 671, 771, 825, 915, 1285, 1375, 1525, 2013, 2827, 3355, 3855, 4125, 4575, 6425, 7625, 8481, 10065, 14135, 15677, 16775, 19275, 22875, 32125, 42405, 47031, 50325, 70675, 78385, 83875, 96375, 172447, 212025, 235155, 251625, 353375, 391925, 517341, 862235, 1060125, 1175775, 1959625, 2586705, 4311175, 5878875, 12933525, 21555875, 64667625]

約数ペア:

[(1, 64667625), (3, 21555875), (5, 12933525), (11, 5878875), (15, 4311175), (25, 2586705), (33, 1959625), (55, 1175775), (61, 1060125), (75, 862235), (125, 517341), (165, 391925), (183, 353375), (257, 251625), (275, 235155), (305, 212025), (375, 172447), (671, 96375), (771, 83875), (825, 78385), (915, 70675), (1285, 50325), (1375, 47031), (1525, 42405), (2013, 32125), (2827, 22875), (3355, 19275), (3855, 16775), (4125, 15677), (4575, 14135), (6425, 10065), (7625, 8481)]