78768417

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{288529}}^1$

素因数の和:288552

約数の個数: 16

約数和(自身を含む): 129261440

約数和(自身を除く): 50493023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 288529, 865587, 2019703, 3750877, 6059109, 11252631, 26256139, 78768417]

約数ペア:

[(1, 78768417), (3, 26256139), (7, 11252631), (13, 6059109), (21, 3750877), (39, 2019703), (91, 865587), (273, 288529)]