157080465

素因数分解:

$3^4\times 5^1\times {\mathrm{387853}}^1$

素因数の和:387870

約数の個数: 20

約数和(自身を含む): 281582004

約数和(自身を除く): 124501539

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387853, 1163559, 1939265, 3490677, 5817795, 10472031, 17453385, 31416093, 52360155, 157080465]

約数ペア:

[(1, 157080465), (3, 52360155), (5, 31416093), (9, 17453385), (15, 10472031), (27, 5817795), (45, 3490677), (81, 1939265), (135, 1163559), (405, 387853)]