25813683

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 44928000

約数和(自身を除く): 19114317

約数列:

[1, 3, 7, 9, 21, 29, 63, 71, 87, 199, 203, 213, 261, 497, 597, 609, 639, 1393, 1491, 1791, 1827, 2059, 4179, 4473, 5771, 6177, 12537, 14129, 14413, 17313, 18531, 40397, 42387, 43239, 51939, 98903, 121191, 127161, 129717, 296709, 363573, 409741, 890127, 1229223, 2868187, 3687669, 8604561, 25813683]

約数ペア:

[(1, 25813683), (3, 8604561), (7, 3687669), (9, 2868187), (21, 1229223), (29, 890127), (63, 409741), (71, 363573), (87, 296709), (199, 129717), (203, 127161), (213, 121191), (261, 98903), (497, 51939), (597, 43239), (609, 42387), (639, 40397), (1393, 18531), (1491, 17313), (1791, 14413), (1827, 14129), (2059, 12537), (4179, 6177), (4473, 5771)]