31400271

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1613}}^1$

素因数の和:1732

約数の個数: 32

約数和(自身を含む): 53713920

約数和(自身を除く): 22313649

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 1613, 2163, 2781, 4839, 6489, 11291, 14517, 19467, 33873, 43551, 101619, 166139, 304857, 498417, 1162973, 1495251, 3488919, 4485753, 10466757, 31400271]

約数ペア:

[(1, 31400271), (3, 10466757), (7, 4485753), (9, 3488919), (21, 1495251), (27, 1162973), (63, 498417), (103, 304857), (189, 166139), (309, 101619), (721, 43551), (927, 33873), (1613, 19467), (2163, 14517), (2781, 11291), (4839, 6489)]