51049557

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 82962880

約数和(自身を除く): 31913323

約数列:

[1, 3, 9, 13, 39, 43, 73, 117, 129, 139, 219, 387, 417, 559, 657, 949, 1251, 1677, 1807, 2847, 3139, 5031, 5421, 5977, 8541, 9417, 10147, 16263, 17931, 28251, 30441, 40807, 53793, 77701, 91323, 122421, 131911, 233103, 367263, 395733, 436321, 699309, 1187199, 1308963, 3926889, 5672173, 17016519, 51049557]

約数ペア:

[(1, 51049557), (3, 17016519), (9, 5672173), (13, 3926889), (39, 1308963), (43, 1187199), (73, 699309), (117, 436321), (129, 395733), (139, 367263), (219, 233103), (387, 131911), (417, 122421), (559, 91323), (657, 77701), (949, 53793), (1251, 40807), (1677, 30441), (1807, 28251), (2847, 17931), (3139, 16263), (5031, 10147), (5421, 9417), (5977, 8541)]