51211797

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1$

素因数の和:1853

約数の個数: 32

約数和(自身を含む): 84860160

約数和(自身を除く): 33648363

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 1721, 2289, 4251, 5163, 9919, 12047, 22373, 29757, 36141, 67119, 156611, 187589, 469833, 562767, 1313123, 2438657, 3939369, 7315971, 17070599, 51211797]

約数ペア:

[(1, 51211797), (3, 17070599), (7, 7315971), (13, 3939369), (21, 2438657), (39, 1313123), (91, 562767), (109, 469833), (273, 187589), (327, 156611), (763, 67119), (1417, 36141), (1721, 29757), (2289, 22373), (4251, 12047), (5163, 9919)]