1257121305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2539639}}^1$

素因数の和:2539661

約数の個数: 24

約数和(自身を含む): 2377103040

約数和(自身を除く): 1119981735

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 2539639, 7618917, 12698195, 22856751, 27936029, 38094585, 83808087, 114283755, 139680145, 251424261, 419040435, 1257121305]

約数ペア:

[(1, 1257121305), (3, 419040435), (5, 251424261), (9, 139680145), (11, 114283755), (15, 83808087), (33, 38094585), (45, 27936029), (55, 22856751), (99, 12698195), (165, 7618917), (495, 2539639)]