61639725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 117456768

約数和(自身を除く): 55817043

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 137, 175, 411, 525, 685, 857, 959, 2055, 2571, 2877, 3425, 4285, 4795, 5999, 10275, 12855, 14385, 17997, 21425, 23975, 29995, 64275, 71925, 89985, 117409, 149975, 352227, 449925, 587045, 821863, 1761135, 2465589, 2935225, 4109315, 8805675, 12327945, 20546575, 61639725]

約数ペア:

[(1, 61639725), (3, 20546575), (5, 12327945), (7, 8805675), (15, 4109315), (21, 2935225), (25, 2465589), (35, 1761135), (75, 821863), (105, 587045), (137, 449925), (175, 352227), (411, 149975), (525, 117409), (685, 89985), (857, 71925), (959, 64275), (2055, 29995), (2571, 23975), (2877, 21425), (3425, 17997), (4285, 14385), (4795, 12855), (5999, 10275)]