25137441

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 44928000

約数和(自身を除く): 19790559

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 343, 357, 441, 479, 833, 1029, 1071, 1437, 2499, 3087, 3353, 4311, 5831, 7497, 8143, 10059, 17493, 23471, 24429, 30177, 52479, 57001, 70413, 73287, 164297, 171003, 211239, 399007, 492891, 513009, 1197021, 1478673, 2793049, 3591063, 8379147, 25137441]

約数ペア:

[(1, 25137441), (3, 8379147), (7, 3591063), (9, 2793049), (17, 1478673), (21, 1197021), (49, 513009), (51, 492891), (63, 399007), (119, 211239), (147, 171003), (153, 164297), (343, 73287), (357, 70413), (441, 57001), (479, 52479), (833, 30177), (1029, 24429), (1071, 23471), (1437, 17493), (2499, 10059), (3087, 8143), (3353, 7497), (4311, 5831)]