81519207

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{983}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 136028160

約数和(自身を除く): 54508953

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 359, 983, 1077, 2513, 2949, 3949, 6881, 7539, 10813, 11847, 20643, 27643, 32439, 75691, 82929, 227073, 352897, 1058691, 2470279, 3881867, 7410837, 11645601, 27173069, 81519207]

約数ペア:

[(1, 81519207), (3, 27173069), (7, 11645601), (11, 7410837), (21, 3881867), (33, 2470279), (77, 1058691), (231, 352897), (359, 227073), (983, 82929), (1077, 75691), (2513, 32439), (2949, 27643), (3949, 20643), (6881, 11847), (7539, 10813)]