231507213

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{68473}}^1$

素因数の和:68513

約数の個数: 24

約数和(自身を含む): 374689728

約数和(自身を除く): 143182515

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 68473, 205419, 479311, 1437933, 1574879, 3355177, 4724637, 10065531, 11024153, 33072459, 77169071, 231507213]

約数ペア:

[(1, 231507213), (3, 77169071), (7, 33072459), (21, 11024153), (23, 10065531), (49, 4724637), (69, 3355177), (147, 1574879), (161, 1437933), (483, 479311), (1127, 205419), (3381, 68473)]