1388745

素因数分解:

$3^7\times 5^1\times {\mathrm{127}}^1$

素因数の和:153

約数の個数: 32

約数和(自身を含む): 2519040

約数和(自身を除く): 1130295

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 243, 381, 405, 635, 729, 1143, 1215, 1905, 2187, 3429, 3645, 5715, 10287, 10935, 17145, 30861, 51435, 92583, 154305, 277749, 462915, 1388745]

約数ペア:

[(1, 1388745), (3, 462915), (5, 277749), (9, 154305), (15, 92583), (27, 51435), (45, 30861), (81, 17145), (127, 10935), (135, 10287), (243, 5715), (381, 3645), (405, 3429), (635, 2187), (729, 1905), (1143, 1215)]