31901391

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1093}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 50411520

約数和(自身を除く): 18510129

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 1081, 1093, 1269, 3243, 3279, 9729, 9837, 25139, 29187, 29511, 51371, 75417, 154113, 226251, 462339, 678753, 1181533, 1387017, 3544599, 10633797, 31901391]

約数ペア:

[(1, 31901391), (3, 10633797), (9, 3544599), (23, 1387017), (27, 1181533), (47, 678753), (69, 462339), (141, 226251), (207, 154113), (423, 75417), (621, 51371), (1081, 29511), (1093, 29187), (1269, 25139), (3243, 9837), (3279, 9729)]