1639113831

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{31223}}^1$

素因数の和:31555

約数の個数: 24

約数和(自身を含む): 2500417920

約数和(自身を除く): 861304089

約数列:

[1, 3, 9, 19, 57, 171, 307, 921, 2763, 5833, 17499, 31223, 52497, 93669, 281007, 593237, 1779711, 5339133, 9585461, 28756383, 86269149, 182123759, 546371277, 1639113831]

約数ペア:

[(1, 1639113831), (3, 546371277), (9, 182123759), (19, 86269149), (57, 28756383), (171, 9585461), (307, 5339133), (921, 1779711), (2763, 593237), (5833, 281007), (17499, 93669), (31223, 52497)]