25993275

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 54621504

約数和(自身を除く): 28628229

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 55, 75, 77, 105, 147, 165, 175, 231, 245, 275, 385, 525, 539, 643, 735, 825, 1155, 1225, 1617, 1925, 1929, 2695, 3215, 3675, 4501, 5775, 7073, 8085, 9645, 13475, 13503, 16075, 21219, 22505, 31507, 35365, 40425, 48225, 49511, 67515, 94521, 106095, 112525, 148533, 157535, 176825, 247555, 337575, 346577, 472605, 530475, 742665, 787675, 1039731, 1237775, 1732885, 2363025, 3713325, 5198655, 8664425, 25993275]

約数ペア:

[(1, 25993275), (3, 8664425), (5, 5198655), (7, 3713325), (11, 2363025), (15, 1732885), (21, 1237775), (25, 1039731), (33, 787675), (35, 742665), (49, 530475), (55, 472605), (75, 346577), (77, 337575), (105, 247555), (147, 176825), (165, 157535), (175, 148533), (231, 112525), (245, 106095), (275, 94521), (385, 67515), (525, 49511), (539, 48225), (643, 40425), (735, 35365), (825, 31507), (1155, 22505), (1225, 21219), (1617, 16075), (1925, 13503), (1929, 13475), (2695, 9645), (3215, 8085), (3675, 7073), (4501, 5775)]