64221543

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{557}}^2$

素因数の和:1143

約数の個数: 18

約数和(自身を含む): 96971784

約数和(自身を除く): 32750241

約数列:

[1, 3, 9, 23, 69, 207, 557, 1671, 5013, 12811, 38433, 115299, 310249, 930747, 2792241, 7135727, 21407181, 64221543]

約数ペア:

[(1, 64221543), (3, 21407181), (9, 7135727), (23, 2792241), (69, 930747), (207, 310249), (557, 115299), (1671, 38433), (5013, 12811)]