157667715

素因数分解:

$3^4\times 5^1\times {\mathrm{389303}}^1$

素因数の和:389320

約数の個数: 20

約数和(自身を含む): 282634704

約数和(自身を除く): 124966989

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 389303, 1167909, 1946515, 3503727, 5839545, 10511181, 17518635, 31533543, 52555905, 157667715]

約数ペア:

[(1, 157667715), (3, 52555905), (5, 31533543), (9, 17518635), (15, 10511181), (27, 5839545), (45, 3503727), (81, 1946515), (135, 1167909), (405, 389303)]