8257851

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 14676480

約数和(自身を除く): 6418629

約数列:

[1, 3, 7, 9, 21, 23, 41, 63, 69, 123, 139, 161, 207, 287, 369, 417, 483, 861, 943, 973, 1251, 1449, 2583, 2829, 2919, 3197, 5699, 6601, 8487, 8757, 9591, 17097, 19803, 22379, 28773, 39893, 51291, 59409, 67137, 119679, 131077, 201411, 359037, 393231, 917539, 1179693, 2752617, 8257851]

約数ペア:

[(1, 8257851), (3, 2752617), (7, 1179693), (9, 917539), (21, 393231), (23, 359037), (41, 201411), (63, 131077), (69, 119679), (123, 67137), (139, 59409), (161, 51291), (207, 39893), (287, 28773), (369, 22379), (417, 19803), (483, 17097), (861, 9591), (943, 8757), (973, 8487), (1251, 6601), (1449, 5699), (2583, 3197), (2829, 2919)]