81261288

素因数分解:

$2^3\times 3^2\times {\mathrm{1128629}}^1$

素因数の和:1128641

約数の個数: 24

約数和(自身を含む): 220082850

約数和(自身を除く): 138821562

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1128629, 2257258, 3385887, 4514516, 6771774, 9029032, 10157661, 13543548, 20315322, 27087096, 40630644, 81261288]

約数ペア:

[(1, 81261288), (2, 40630644), (3, 27087096), (4, 20315322), (6, 13543548), (8, 10157661), (9, 9029032), (12, 6771774), (18, 4514516), (24, 3385887), (36, 2257258), (72, 1128629)]