30840507

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{8101}}^1$

素因数の和:8160

約数の個数: 20

約数和(自身を含む): 47056416

約数和(自身を除く): 16215909

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 8101, 24303, 72909, 218727, 380747, 656181, 1142241, 3426723, 10280169, 30840507]

約数ペア:

[(1, 30840507), (3, 10280169), (9, 3426723), (27, 1142241), (47, 656181), (81, 380747), (141, 218727), (423, 72909), (1269, 24303), (3807, 8101)]