12967725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4077

約数の個数: 24

約数和(自身を含む): 21944032

約数和(自身を除く): 8976307

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 4021, 12063, 20105, 60315, 100525, 172903, 301575, 518709, 864515, 2593545, 4322575, 12967725]

約数ペア:

[(1, 12967725), (3, 4322575), (5, 2593545), (15, 864515), (25, 518709), (43, 301575), (75, 172903), (129, 100525), (215, 60315), (645, 20105), (1075, 12063), (3225, 4021)]