42000615

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2351}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 73015488

約数和(自身を除く): 31014873

約数列:

[1, 3, 5, 9, 15, 45, 397, 1191, 1985, 2351, 3573, 5955, 7053, 11755, 17865, 21159, 35265, 105795, 933347, 2800041, 4666735, 8400123, 14000205, 42000615]

約数ペア:

[(1, 42000615), (3, 14000205), (5, 8400123), (9, 4666735), (15, 2800041), (45, 933347), (397, 105795), (1191, 35265), (1985, 21159), (2351, 17865), (3573, 11755), (5955, 7053)]