291220983

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{1571}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 431608320

約数和(自身を除く): 140387337

約数列:

[1, 3, 9, 43, 129, 387, 479, 1437, 1571, 4311, 4713, 14139, 20597, 61791, 67553, 185373, 202659, 607977, 752509, 2257527, 6772581, 32357887, 97073661, 291220983]

約数ペア:

[(1, 291220983), (3, 97073661), (9, 32357887), (43, 6772581), (129, 2257527), (387, 752509), (479, 607977), (1437, 202659), (1571, 185373), (4311, 67553), (4713, 61791), (14139, 20597)]