28648575

素因数分解:

$3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:984

約数の個数: 36

約数和(自身を含む): 51703288

約数和(自身を除く): 23054713

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 157, 225, 471, 785, 811, 1413, 2355, 2433, 3925, 4055, 7065, 7299, 11775, 12165, 20275, 35325, 36495, 60825, 127327, 182475, 381981, 636635, 1145943, 1909905, 3183175, 5729715, 9549525, 28648575]

約数ペア:

[(1, 28648575), (3, 9549525), (5, 5729715), (9, 3183175), (15, 1909905), (25, 1145943), (45, 636635), (75, 381981), (157, 182475), (225, 127327), (471, 60825), (785, 36495), (811, 35325), (1413, 20275), (2355, 12165), (2433, 11775), (3925, 7299), (4055, 7065)]