78378417

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{669901}}^1$

素因数の和:669920

約数の個数: 12

約数和(自身を含む): 121922164

約数和(自身を除く): 43543747

約数列:

[1, 3, 9, 13, 39, 117, 669901, 2009703, 6029109, 8708713, 26126139, 78378417]

約数ペア:

[(1, 78378417), (3, 26126139), (9, 8708713), (13, 6029109), (39, 2009703), (117, 669901)]