131612793

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1109}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 201398400

約数和(自身を除く): 69785607

約数列:

[1, 3, 13, 17, 39, 51, 179, 221, 537, 663, 1109, 2327, 3043, 3327, 6981, 9129, 14417, 18853, 39559, 43251, 56559, 118677, 198511, 245089, 595533, 735267, 2580643, 3374687, 7741929, 10124061, 43870931, 131612793]

約数ペア:

[(1, 131612793), (3, 43870931), (13, 10124061), (17, 7741929), (39, 3374687), (51, 2580643), (179, 735267), (221, 595533), (537, 245089), (663, 198511), (1109, 118677), (2327, 56559), (3043, 43251), (3327, 39559), (6981, 18853), (9129, 14417)]