25622541

素因数分解:

$3^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 19193139

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 107, 147, 181, 189, 321, 441, 543, 749, 963, 1267, 1323, 1629, 2247, 2889, 3801, 4887, 5243, 6741, 8869, 11403, 15729, 19367, 20223, 26607, 34209, 47187, 58101, 79821, 135569, 141561, 174303, 239463, 406707, 522909, 948983, 1220121, 2846949, 3660363, 8540847, 25622541]

約数ペア:

[(1, 25622541), (3, 8540847), (7, 3660363), (9, 2846949), (21, 1220121), (27, 948983), (49, 522909), (63, 406707), (107, 239463), (147, 174303), (181, 141561), (189, 135569), (321, 79821), (441, 58101), (543, 47187), (749, 34209), (963, 26607), (1267, 20223), (1323, 19367), (1629, 15729), (2247, 11403), (2889, 8869), (3801, 6741), (4887, 5243)]