20150919

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 29923920

約数和(自身を除く): 9773001

約数列:

[1, 3, 9, 59, 137, 177, 277, 411, 531, 831, 1233, 2493, 8083, 16343, 24249, 37949, 49029, 72747, 113847, 147087, 341541, 2238991, 6716973, 20150919]

約数ペア:

[(1, 20150919), (3, 6716973), (9, 2238991), (59, 341541), (137, 147087), (177, 113847), (277, 72747), (411, 49029), (531, 37949), (831, 24249), (1233, 16343), (2493, 8083)]