21164625

素因数分解:

$3^3\times 5^3\times {\mathrm{6271}}^1$

素因数の和:6295

約数の個数: 32

約数和(自身を含む): 39137280

約数和(自身を除く): 17972655

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6271, 18813, 31355, 56439, 94065, 156775, 169317, 282195, 470325, 783875, 846585, 1410975, 2351625, 4232925, 7054875, 21164625]

約数ペア:

[(1, 21164625), (3, 7054875), (5, 4232925), (9, 2351625), (15, 1410975), (25, 846585), (27, 783875), (45, 470325), (75, 282195), (125, 169317), (135, 156775), (225, 94065), (375, 56439), (675, 31355), (1125, 18813), (3375, 6271)]