28849815

素因数分解:

$3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1151}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 50139648

約数和(自身を除く): 21289833

約数列:

[1, 3, 5, 9, 15, 45, 557, 1151, 1671, 2785, 3453, 5013, 5755, 8355, 10359, 17265, 25065, 51795, 641107, 1923321, 3205535, 5769963, 9616605, 28849815]

約数ペア:

[(1, 28849815), (3, 9616605), (5, 5769963), (9, 3205535), (15, 1923321), (45, 641107), (557, 51795), (1151, 25065), (1671, 17265), (2785, 10359), (3453, 8355), (5013, 5755)]