3974971

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:80

約数の個数: 36

約数和(自身を含む): 5675376

約数和(自身を除く): 1700405

約数列:

[1, 7, 11, 13, 19, 77, 91, 121, 133, 143, 209, 247, 361, 847, 1001, 1463, 1573, 1729, 2299, 2527, 2717, 3971, 4693, 11011, 16093, 19019, 27797, 29887, 32851, 43681, 51623, 209209, 305767, 361361, 567853, 3974971]

約数ペア:

[(1, 3974971), (7, 567853), (11, 361361), (13, 305767), (19, 209209), (77, 51623), (91, 43681), (121, 32851), (133, 29887), (143, 27797), (209, 19019), (247, 16093), (361, 11011), (847, 4693), (1001, 3971), (1463, 2717), (1573, 2527), (1729, 2299)]