51493659

素因数分解:

$3^1\times 7^2\times {\mathrm{433}}^1\times {\mathrm{809}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 80151120

約数和(自身を除く): 28657461

約数列:

[1, 3, 7, 21, 49, 147, 433, 809, 1299, 2427, 3031, 5663, 9093, 16989, 21217, 39641, 63651, 118923, 350297, 1050891, 2452079, 7356237, 17164553, 51493659]

約数ペア:

[(1, 51493659), (3, 17164553), (7, 7356237), (21, 2452079), (49, 1050891), (147, 350297), (433, 118923), (809, 63651), (1299, 39641), (2427, 21217), (3031, 16989), (5663, 9093)]