720486

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{3079}}^1$

素因数の和:3100

約数の個数: 24

約数和(自身を含む): 1681680

約数和(自身を除く): 961194

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 3079, 6158, 9237, 18474, 27711, 40027, 55422, 80054, 120081, 240162, 360243, 720486]

約数ペア:

[(1, 720486), (2, 360243), (3, 240162), (6, 120081), (9, 80054), (13, 55422), (18, 40027), (26, 27711), (39, 18474), (78, 9237), (117, 6158), (234, 3079)]