72811521

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{7727}}^1$

素因数の和:8085

約数の個数: 16

約数和(自身を含む): 108192000

約数和(自身を除く): 35380479

約数列:

[1, 3, 9, 27, 349, 1047, 3141, 7727, 9423, 23181, 69543, 208629, 2696723, 8090169, 24270507, 72811521]

約数ペア:

[(1, 72811521), (3, 24270507), (9, 8090169), (27, 2696723), (349, 208629), (1047, 69543), (3141, 23181), (7727, 9423)]