28491165

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 53164800

約数和(自身を除く): 24673635

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 709, 855, 893, 2115, 2127, 2679, 3545, 4465, 6381, 8037, 10635, 13395, 13471, 31905, 33323, 40185, 40413, 67355, 99969, 121239, 166615, 202065, 299907, 499845, 606195, 633137, 1499535, 1899411, 3165685, 5698233, 9497055, 28491165]

約数ペア:

[(1, 28491165), (3, 9497055), (5, 5698233), (9, 3165685), (15, 1899411), (19, 1499535), (45, 633137), (47, 606195), (57, 499845), (95, 299907), (141, 202065), (171, 166615), (235, 121239), (285, 99969), (423, 67355), (705, 40413), (709, 40185), (855, 33323), (893, 31905), (2115, 13471), (2127, 13395), (2679, 10635), (3545, 8037), (4465, 6381)]