131656413

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 204652800

約数和(自身を除く): 72996387

約数列:

[1, 3, 7, 21, 109, 113, 327, 339, 509, 763, 791, 1527, 2289, 2373, 3563, 10689, 12317, 36951, 55481, 57517, 86219, 166443, 172551, 258657, 388367, 402619, 1165101, 1207857, 6269353, 18808059, 43885471, 131656413]

約数ペア:

[(1, 131656413), (3, 43885471), (7, 18808059), (21, 6269353), (109, 1207857), (113, 1165101), (327, 402619), (339, 388367), (509, 258657), (763, 172551), (791, 166443), (1527, 86219), (2289, 57517), (2373, 55481), (3563, 36951), (10689, 12317)]