42890535

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6857}}^1$

素因数の和:7007

約数の個数: 24

約数和(自身を含む): 74889360

約数和(自身を除く): 31998825

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 6857, 20571, 34285, 61713, 102855, 308565, 953123, 2859369, 4765615, 8578107, 14296845, 42890535]

約数ペア:

[(1, 42890535), (3, 14296845), (5, 8578107), (9, 4765615), (15, 2859369), (45, 953123), (139, 308565), (417, 102855), (695, 61713), (1251, 34285), (2085, 20571), (6255, 6857)]