78385509

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{21191}}^1$

素因数の和:21337

約数の個数: 16

約数和(自身を含む): 116979840

約数和(自身を除く): 38594331

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 21191, 63573, 190719, 572157, 2903167, 8709501, 26128503, 78385509]

約数ペア:

[(1, 78385509), (3, 26128503), (9, 8709501), (27, 2903167), (137, 572157), (411, 190719), (1233, 63573), (3699, 21191)]