90625857

素因数分解:

$3^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{2161}}^1$

素因数の和:4168

約数の個数: 16

約数和(自身を含む): 138229632

約数和(自身を除く): 47603775

約数列:

[1, 3, 7, 21, 1997, 2161, 5991, 6483, 13979, 15127, 41937, 45381, 4315517, 12946551, 30208619, 90625857]

約数ペア:

[(1, 90625857), (3, 30208619), (7, 12946551), (21, 4315517), (1997, 45381), (2161, 41937), (5991, 15127), (6483, 13979)]