80331507

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{21101}}^1$

素因数の和:21160

約数の個数: 20

約数和(自身を含む): 122560416

約数和(自身を除く): 42228909

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 21101, 63303, 189909, 569727, 991747, 1709181, 2975241, 8925723, 26777169, 80331507]

約数ペア:

[(1, 80331507), (3, 26777169), (9, 8925723), (27, 2975241), (47, 1709181), (81, 991747), (141, 569727), (423, 189909), (1269, 63303), (3807, 21101)]