15750261

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 24224640

約数和(自身を除く): 8474379

約数列:

[1, 3, 9, 27, 61, 73, 131, 183, 219, 393, 549, 657, 1179, 1647, 1971, 3537, 4453, 7991, 9563, 13359, 23973, 28689, 40077, 71919, 86067, 120231, 215757, 258201, 583343, 1750029, 5250087, 15750261]

約数ペア:

[(1, 15750261), (3, 5250087), (9, 1750029), (27, 583343), (61, 258201), (73, 215757), (131, 120231), (183, 86067), (219, 71919), (393, 40077), (549, 28689), (657, 23973), (1179, 13359), (1647, 9563), (1971, 7991), (3537, 4453)]