28756755

素因数分解:

$3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{769}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 51374400

約数和(自身を除く): 22617645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 277, 769, 831, 1385, 2307, 2493, 3845, 4155, 6921, 7479, 11535, 12465, 20763, 34605, 37395, 103815, 213013, 639039, 1065065, 1917117, 3195195, 5751351, 9585585, 28756755]

約数ペア:

[(1, 28756755), (3, 9585585), (5, 5751351), (9, 3195195), (15, 1917117), (27, 1065065), (45, 639039), (135, 213013), (277, 103815), (769, 37395), (831, 34605), (1385, 20763), (2307, 12465), (2493, 11535), (3845, 7479), (4155, 6921)]