279347823

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{37991}}^1$

素因数の和:38059

約数の個数: 24

約数和(自身を含む): 434628480

約数和(自身を除く): 155280657

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 37991, 113973, 341919, 721829, 1633613, 2165487, 4900839, 6496461, 14702517, 31038647, 93115941, 279347823]

約数ペア:

[(1, 279347823), (3, 93115941), (9, 31038647), (19, 14702517), (43, 6496461), (57, 4900839), (129, 2165487), (171, 1633613), (387, 721829), (817, 341919), (2451, 113973), (7353, 37991)]