28910205

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{3847}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 50424192

約数和(自身を除く): 21513987

約数列:

[1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2505, 3847, 7515, 11541, 19235, 34623, 57705, 173115, 642449, 1927347, 3212245, 5782041, 9636735, 28910205]

約数ペア:

[(1, 28910205), (3, 9636735), (5, 5782041), (9, 3212245), (15, 1927347), (45, 642449), (167, 173115), (501, 57705), (835, 34623), (1503, 19235), (2505, 11541), (3847, 7515)]