131985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{419}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 262080

約数和(自身を除く): 130095

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 419, 1257, 2095, 2933, 3771, 6285, 8799, 14665, 18855, 26397, 43995, 131985]

約数ペア:

[(1, 131985), (3, 43995), (5, 26397), (7, 18855), (9, 14665), (15, 8799), (21, 6285), (35, 3771), (45, 2933), (63, 2095), (105, 1257), (315, 419)]