25491627

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 18537813

約数列:

[1, 3, 7, 9, 21, 41, 63, 71, 123, 139, 213, 287, 369, 417, 497, 639, 861, 973, 1251, 1491, 2583, 2911, 2919, 4473, 5699, 8733, 8757, 9869, 17097, 20377, 26199, 29607, 39893, 51291, 61131, 69083, 88821, 119679, 183393, 207249, 359037, 404629, 621747, 1213887, 2832403, 3641661, 8497209, 25491627]

約数ペア:

[(1, 25491627), (3, 8497209), (7, 3641661), (9, 2832403), (21, 1213887), (41, 621747), (63, 404629), (71, 359037), (123, 207249), (139, 183393), (213, 119679), (287, 88821), (369, 69083), (417, 61131), (497, 51291), (639, 39893), (861, 29607), (973, 26199), (1251, 20377), (1491, 17097), (2583, 9869), (2911, 8757), (2919, 8733), (4473, 5699)]