12378645

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1979}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 21621600

約数和(自身を除く): 9242955

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 1979, 2085, 5937, 6255, 9895, 17811, 29685, 89055, 275081, 825243, 1375405, 2475729, 4126215, 12378645]

約数ペア:

[(1, 12378645), (3, 4126215), (5, 2475729), (9, 1375405), (15, 825243), (45, 275081), (139, 89055), (417, 29685), (695, 17811), (1251, 9895), (1979, 6255), (2085, 5937)]