30817905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 52669440

約数和(自身を除く): 21851535

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 1523, 4047, 4569, 6745, 7615, 20235, 22845, 28937, 86811, 108133, 144685, 324399, 434055, 540665, 1621995, 2054527, 6163581, 10272635, 30817905]

約数ペア:

[(1, 30817905), (3, 10272635), (5, 6163581), (15, 2054527), (19, 1621995), (57, 540665), (71, 434055), (95, 324399), (213, 144685), (285, 108133), (355, 86811), (1065, 28937), (1349, 22845), (1523, 20235), (4047, 7615), (4569, 6745)]