17981715

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9151}}^1$

素因数の和:9290

約数の個数: 16

約数和(自身を含む): 28993536

約数和(自身を除く): 11011821

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 9151, 27453, 45755, 137265, 1198781, 3596343, 5993905, 17981715]

約数ペア:

[(1, 17981715), (3, 5993905), (5, 3596343), (15, 1198781), (131, 137265), (393, 45755), (655, 27453), (1965, 9151)]