28331865

素因数分解:

$3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1151}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 49241088

約数和(自身を除く): 20909223

約数列:

[1, 3, 5, 9, 15, 45, 547, 1151, 1641, 2735, 3453, 4923, 5755, 8205, 10359, 17265, 24615, 51795, 629597, 1888791, 3147985, 5666373, 9443955, 28331865]

約数ペア:

[(1, 28331865), (3, 9443955), (5, 5666373), (9, 3147985), (15, 1888791), (45, 629597), (547, 51795), (1151, 24615), (1641, 17265), (2735, 10359), (3453, 8205), (4923, 5755)]