9771909

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1289}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 15727680

約数和(自身を除く): 5955771

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 1289, 2527, 3867, 7581, 9023, 24491, 27069, 73473, 171437, 465329, 514311, 1395987, 3257303, 9771909]

約数ペア:

[(1, 9771909), (3, 3257303), (7, 1395987), (19, 514311), (21, 465329), (57, 171437), (133, 73473), (361, 27069), (399, 24491), (1083, 9023), (1289, 7581), (2527, 3867)]