31382793

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:518

約数の個数: 36

約数和(自身を含む): 50244480

約数和(自身を除く): 18861687

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 169, 423, 439, 507, 611, 1317, 1521, 1833, 3951, 5499, 5707, 7943, 17121, 20633, 23829, 51363, 61899, 71487, 74191, 185697, 222573, 268229, 667719, 804687, 2414061, 3486977, 10460931, 31382793]

約数ペア:

[(1, 31382793), (3, 10460931), (9, 3486977), (13, 2414061), (39, 804687), (47, 667719), (117, 268229), (141, 222573), (169, 185697), (423, 74191), (439, 71487), (507, 61899), (611, 51363), (1317, 23829), (1521, 20633), (1833, 17121), (3951, 7943), (5499, 5707)]