81318345

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{25693}}^1$

素因数の和:25912

約数の個数: 16

約数和(自身を含む): 130731072

約数和(自身を除く): 49412727

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 25693, 77079, 128465, 385395, 5421223, 16263669, 27106115, 81318345]

約数ペア:

[(1, 81318345), (3, 27106115), (5, 16263669), (15, 5421223), (211, 385395), (633, 128465), (1055, 77079), (3165, 25693)]