12919881

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1499}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 19764000

約数和(自身を除く): 6844119

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 507, 663, 1499, 2873, 4497, 8619, 19487, 25483, 58461, 76449, 253331, 331279, 759993, 993837, 4306627, 12919881]

約数ペア:

[(1, 12919881), (3, 4306627), (13, 993837), (17, 759993), (39, 331279), (51, 253331), (169, 76449), (221, 58461), (507, 25483), (663, 19487), (1499, 8619), (2873, 4497)]