13125357

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1327}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 21821696

約数和(自身を除く): 8696339

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1327, 1413, 3297, 3981, 9289, 9891, 11943, 27867, 83601, 208339, 625017, 1458373, 1875051, 4375119, 13125357]

約数ペア:

[(1, 13125357), (3, 4375119), (7, 1875051), (9, 1458373), (21, 625017), (63, 208339), (157, 83601), (471, 27867), (1099, 11943), (1327, 9891), (1413, 9289), (3297, 3981)]