159661257

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 258552000

約数和(自身を除く): 98890743

約数列:

[1, 3, 7, 21, 41, 49, 59, 123, 147, 177, 287, 413, 449, 861, 1239, 1347, 2009, 2419, 2891, 3143, 6027, 7257, 8673, 9429, 16933, 18409, 22001, 26491, 50799, 55227, 66003, 79473, 118531, 128863, 185437, 355593, 386589, 556311, 902041, 1086131, 1298059, 2706123, 3258393, 3894177, 7602917, 22808751, 53220419, 159661257]

約数ペア:

[(1, 159661257), (3, 53220419), (7, 22808751), (21, 7602917), (41, 3894177), (49, 3258393), (59, 2706123), (123, 1298059), (147, 1086131), (177, 902041), (287, 556311), (413, 386589), (449, 355593), (861, 185437), (1239, 128863), (1347, 118531), (2009, 79473), (2419, 66003), (2891, 55227), (3143, 50799), (6027, 26491), (7257, 22001), (8673, 18409), (9429, 16933)]