30631725

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1374

約数の個数: 36

約数和(自身を含む): 55412500

約数和(自身を除く): 24780775

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 981, 1249, 1635, 2725, 3747, 4905, 6245, 8175, 11241, 18735, 24525, 31225, 56205, 93675, 136141, 281025, 408423, 680705, 1225269, 2042115, 3403525, 6126345, 10210575, 30631725]

約数ペア:

[(1, 30631725), (3, 10210575), (5, 6126345), (9, 3403525), (15, 2042115), (25, 1225269), (45, 680705), (75, 408423), (109, 281025), (225, 136141), (327, 93675), (545, 56205), (981, 31225), (1249, 24525), (1635, 18735), (2725, 11241), (3747, 8175), (4905, 6245)]