81356904

素因数分解:

$2^3\times 3^2\times {\mathrm{1129957}}^1$

素因数の和:1129969

約数の個数: 24

約数和(自身を含む): 220341810

約数和(自身を除く): 138984906

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1129957, 2259914, 3389871, 4519828, 6779742, 9039656, 10169613, 13559484, 20339226, 27118968, 40678452, 81356904]

約数ペア:

[(1, 81356904), (2, 40678452), (3, 27118968), (4, 20339226), (6, 13559484), (8, 10169613), (9, 9039656), (12, 6779742), (18, 4519828), (24, 3389871), (36, 2259914), (72, 1129957)]