139692147

素因数分解:

$3^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{3331}}^1$

素因数の和:5338

約数の個数: 16

約数和(自身を含む): 213034752

約数和(自身を除く): 73342605

約数列:

[1, 3, 7, 21, 1997, 3331, 5991, 9993, 13979, 23317, 41937, 69951, 6652007, 19956021, 46564049, 139692147]

約数ペア:

[(1, 139692147), (3, 46564049), (7, 19956021), (21, 6652007), (1997, 69951), (3331, 41937), (5991, 23317), (9993, 13979)]