90430275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{677}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 162427104

約数和(自身を除く): 71996829

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 137, 195, 325, 411, 677, 685, 975, 1781, 2031, 2055, 3385, 3425, 5343, 8801, 8905, 10155, 10275, 16925, 26403, 26715, 44005, 44525, 50775, 92749, 132015, 133575, 220025, 278247, 463745, 660075, 1205737, 1391235, 2318725, 3617211, 6028685, 6956175, 18086055, 30143425, 90430275]

約数ペア:

[(1, 90430275), (3, 30143425), (5, 18086055), (13, 6956175), (15, 6028685), (25, 3617211), (39, 2318725), (65, 1391235), (75, 1205737), (137, 660075), (195, 463745), (325, 278247), (411, 220025), (677, 133575), (685, 132015), (975, 92749), (1781, 50775), (2031, 44525), (2055, 44005), (3385, 26715), (3425, 26403), (5343, 16925), (8801, 10275), (8905, 10155)]