215768493

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{10853}}^1$

素因数の和:10953

約数の個数: 18

約数和(自身を含む): 318467214

約数和(自身を除く): 102698721

約数列:

[1, 3, 9, 47, 141, 423, 2209, 6627, 10853, 19881, 32559, 97677, 510091, 1530273, 4590819, 23974277, 71922831, 215768493]

約数ペア:

[(1, 215768493), (3, 71922831), (9, 23974277), (47, 4590819), (141, 1530273), (423, 510091), (2209, 97677), (6627, 32559), (10853, 19881)]