68072613

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{1489}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 105992640

約数和(自身を除く): 37920027

約数列:

[1, 3, 7, 21, 49, 147, 311, 933, 1489, 2177, 4467, 6531, 10423, 15239, 31269, 45717, 72961, 218883, 463079, 1389237, 3241553, 9724659, 22690871, 68072613]

約数ペア:

[(1, 68072613), (3, 22690871), (7, 9724659), (21, 3241553), (49, 1389237), (147, 463079), (311, 218883), (933, 72961), (1489, 45717), (2177, 31269), (4467, 15239), (6531, 10423)]