12911913

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 22291200

約数和(自身を除く): 9379287

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1289, 1431, 3339, 3867, 9023, 10017, 11601, 27069, 34803, 68317, 81207, 204951, 243621, 478219, 614853, 1434657, 1844559, 4303971, 12911913]

約数ペア:

[(1, 12911913), (3, 4303971), (7, 1844559), (9, 1434657), (21, 614853), (27, 478219), (53, 243621), (63, 204951), (159, 81207), (189, 68317), (371, 34803), (477, 27069), (1113, 11601), (1289, 10017), (1431, 9023), (3339, 3867)]