12181225

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 17641728

約数和(自身を除く): 5460503

約数列:

[1, 5, 7, 25, 35, 47, 175, 235, 329, 1175, 1481, 1645, 7405, 8225, 10367, 37025, 51835, 69607, 259175, 348035, 487249, 1740175, 2436245, 12181225]

約数ペア:

[(1, 12181225), (5, 2436245), (7, 1740175), (25, 487249), (35, 348035), (47, 259175), (175, 69607), (235, 51835), (329, 37025), (1175, 10367), (1481, 8225), (1645, 7405)]