289862145

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8623}}^1$

素因数の和:8723

約数の個数: 40

約数和(自身を含む): 525926016

約数和(自身を除く): 236063871

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 747, 1245, 2241, 3735, 6723, 8623, 11205, 25869, 33615, 43115, 77607, 129345, 232821, 388035, 698463, 715709, 1164105, 2147127, 3492315, 3578545, 6441381, 10735635, 19324143, 32206905, 57972429, 96620715, 289862145]

約数ペア:

[(1, 289862145), (3, 96620715), (5, 57972429), (9, 32206905), (15, 19324143), (27, 10735635), (45, 6441381), (81, 3578545), (83, 3492315), (135, 2147127), (249, 1164105), (405, 715709), (415, 698463), (747, 388035), (1245, 232821), (2241, 129345), (3735, 77607), (6723, 43115), (8623, 33615), (11205, 25869)]