156645009

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{19937}}^1$

素因数の和:20046

約数の個数: 20

約数和(自身を含む): 236424804

約数和(自身を除く): 79779795

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 7857, 19937, 59811, 179433, 538299, 1614897, 1933889, 5801667, 17405001, 52215003, 156645009]

約数ペア:

[(1, 156645009), (3, 52215003), (9, 17405001), (27, 5801667), (81, 1933889), (97, 1614897), (291, 538299), (873, 179433), (2619, 59811), (7857, 19937)]