9820521

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3954

約数の個数: 20

約数和(自身を含む): 15147264

約数和(自身を除く): 5326743

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 3911, 11733, 35199, 105597, 121241, 316791, 363723, 1091169, 3273507, 9820521]

約数ペア:

[(1, 9820521), (3, 3273507), (9, 1091169), (27, 363723), (31, 316791), (81, 121241), (93, 105597), (279, 35199), (837, 11733), (2511, 3911)]