31535991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{827}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 48222720

約数和(自身を除く): 16686729

約数列:

[1, 3, 9, 19, 57, 171, 223, 669, 827, 2007, 2481, 4237, 7443, 12711, 15713, 38133, 47139, 141417, 184421, 553263, 1659789, 3503999, 10511997, 31535991]

約数ペア:

[(1, 31535991), (3, 10511997), (9, 3503999), (19, 1659789), (57, 553263), (171, 184421), (223, 141417), (669, 47139), (827, 38133), (2007, 15713), (2481, 12711), (4237, 7443)]