78388911

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{20887}}^1$

素因数の和:21035

約数の個数: 16

約数和(自身を含む): 116972800

約数和(自身を除く): 38583889

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 20887, 62661, 187983, 563949, 2903293, 8709879, 26129637, 78388911]

約数ペア:

[(1, 78388911), (3, 26129637), (9, 8709879), (27, 2903293), (139, 563949), (417, 187983), (1251, 62661), (3753, 20887)]