2881671

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 4251744

約数和(自身を除く): 1370073

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 1997, 5991, 25961, 73889, 77883, 221667, 960557, 2881671]

約数ペア:

[(1, 2881671), (3, 960557), (13, 221667), (37, 77883), (39, 73889), (111, 25961), (481, 5991), (1443, 1997)]