31031091

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37889}}^1$

素因数の和:37915

約数の個数: 24

約数和(自身を含む): 55167840

約数和(自身を除く): 24136749

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 37889, 113667, 265223, 341001, 492557, 795669, 1477671, 2387007, 3447899, 4433013, 10343697, 31031091]

約数ペア:

[(1, 31031091), (3, 10343697), (7, 4433013), (9, 3447899), (13, 2387007), (21, 1477671), (39, 795669), (63, 492557), (91, 341001), (117, 265223), (273, 113667), (819, 37889)]