31379085

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5323}}^1$

素因数の和:5465

約数の個数: 24

約数和(自身を含む): 54815904

約数和(自身を除く): 23436819

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5323, 5895, 15969, 26615, 47907, 79845, 239535, 697313, 2091939, 3486565, 6275817, 10459695, 31379085]

約数ペア:

[(1, 31379085), (3, 10459695), (5, 6275817), (9, 3486565), (15, 2091939), (45, 697313), (131, 239535), (393, 79845), (655, 47907), (1179, 26615), (1965, 15969), (5323, 5895)]