788874633

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{71089}}^1$

素因数の和:71238

約数の個数: 20

約数和(自身を含む): 1187060820

約数和(自身を除く): 398186187

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 71089, 213267, 639801, 1919403, 5758209, 9739193, 29217579, 87652737, 262958211, 788874633]

約数ペア:

[(1, 788874633), (3, 262958211), (9, 87652737), (27, 29217579), (81, 9739193), (137, 5758209), (411, 1919403), (1233, 639801), (3699, 213267), (11097, 71089)]