71285985

素因数分解:

$3^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2179}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 123789120

約数和(自身を除く): 52503135

約数列:

[1, 3, 5, 9, 15, 45, 727, 2179, 2181, 3635, 6537, 6543, 10895, 10905, 19611, 32685, 32715, 98055, 1584133, 4752399, 7920665, 14257197, 23761995, 71285985]

約数ペア:

[(1, 71285985), (3, 23761995), (5, 14257197), (9, 7920665), (15, 4752399), (45, 1584133), (727, 98055), (2179, 32715), (2181, 32685), (3635, 19611), (6537, 10905), (6543, 10895)]