31040961

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9181}}^1$

素因数の和:9221

約数の個数: 24

約数和(自身を含む): 50243904

約数和(自身を除く): 19202943

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 9181, 27543, 64267, 192801, 211163, 449869, 633489, 1349607, 1478141, 4434423, 10346987, 31040961]

約数ペア:

[(1, 31040961), (3, 10346987), (7, 4434423), (21, 1478141), (23, 1349607), (49, 633489), (69, 449869), (147, 211163), (161, 192801), (483, 64267), (1127, 27543), (3381, 9181)]