39420747

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{617}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 59130240

約数和(自身を除く): 19709493

約数列:

[1, 3, 9, 31, 93, 229, 279, 617, 687, 1851, 2061, 5553, 7099, 19127, 21297, 57381, 63891, 141293, 172143, 423879, 1271637, 4380083, 13140249, 39420747]

約数ペア:

[(1, 39420747), (3, 13140249), (9, 4380083), (31, 1271637), (93, 423879), (229, 172143), (279, 141293), (617, 63891), (687, 57381), (1851, 21297), (2061, 19127), (5553, 7099)]