31587813

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 48114976

約数和(自身を除く): 16527163

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1647, 2131, 4941, 6393, 14823, 19179, 57537, 129991, 172611, 389973, 517833, 1169919, 3509757, 10529271, 31587813]

約数ペア:

[(1, 31587813), (3, 10529271), (9, 3509757), (27, 1169919), (61, 517833), (81, 389973), (183, 172611), (243, 129991), (549, 57537), (1647, 19179), (2131, 14823), (4941, 6393)]