12740409

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 40

約数和(自身を含む): 21141120

約数和(自身を除く): 8400711

約数列:

[1, 3, 9, 11, 27, 33, 79, 81, 99, 181, 237, 297, 543, 711, 869, 891, 1629, 1991, 2133, 2607, 4887, 5973, 6399, 7821, 14299, 14661, 17919, 23463, 42897, 53757, 70389, 128691, 157289, 161271, 386073, 471867, 1158219, 1415601, 4246803, 12740409]

約数ペア:

[(1, 12740409), (3, 4246803), (9, 1415601), (11, 1158219), (27, 471867), (33, 386073), (79, 161271), (81, 157289), (99, 128691), (181, 70389), (237, 53757), (297, 42897), (543, 23463), (711, 17919), (869, 14661), (891, 14299), (1629, 7821), (1991, 6399), (2133, 5973), (2607, 4887)]