31914261

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 47087040

約数和(自身を除く): 15172779

約数列:

[1, 3, 9, 97, 139, 263, 291, 417, 789, 873, 1251, 2367, 13483, 25511, 36557, 40449, 76533, 109671, 121347, 229599, 329013, 3546029, 10638087, 31914261]

約数ペア:

[(1, 31914261), (3, 10638087), (9, 3546029), (97, 329013), (139, 229599), (263, 121347), (291, 109671), (417, 76533), (789, 40449), (873, 36557), (1251, 25511), (2367, 13483)]