168903021

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{653}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 262437120

約数和(自身を除く): 93534099

約数列:

[1, 3, 7, 21, 109, 113, 327, 339, 653, 763, 791, 1959, 2289, 2373, 4571, 12317, 13713, 36951, 71177, 73789, 86219, 213531, 221367, 258657, 498239, 516523, 1494717, 1549569, 8043001, 24129003, 56301007, 168903021]

約数ペア:

[(1, 168903021), (3, 56301007), (7, 24129003), (21, 8043001), (109, 1549569), (113, 1494717), (327, 516523), (339, 498239), (653, 258657), (763, 221367), (791, 213531), (1959, 86219), (2289, 73789), (2373, 71177), (4571, 36951), (12317, 13713)]