70181721

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{7949}}^1$

素因数の和:8070

約数の個数: 20

約数和(自身を含む): 105814500

約数和(自身を除く): 35632779

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 7949, 8829, 23847, 71541, 214623, 643869, 866441, 2599323, 7797969, 23393907, 70181721]

約数ペア:

[(1, 70181721), (3, 23393907), (9, 7797969), (27, 2599323), (81, 866441), (109, 643869), (327, 214623), (981, 71541), (2943, 23847), (7949, 8829)]