25040379

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 42862848

約数和(自身を除く): 17822469

約数列:

[1, 3, 7, 13, 21, 37, 39, 67, 91, 111, 201, 259, 273, 469, 481, 777, 871, 1369, 1407, 1443, 2479, 2613, 3367, 4107, 6097, 7437, 9583, 10101, 17353, 17797, 18291, 28749, 32227, 52059, 53391, 91723, 96681, 124579, 225589, 275169, 373737, 642061, 676767, 1192399, 1926183, 3577197, 8346793, 25040379]

約数ペア:

[(1, 25040379), (3, 8346793), (7, 3577197), (13, 1926183), (21, 1192399), (37, 676767), (39, 642061), (67, 373737), (91, 275169), (111, 225589), (201, 124579), (259, 96681), (273, 91723), (469, 53391), (481, 52059), (777, 32227), (871, 28749), (1369, 18291), (1407, 17797), (1443, 17353), (2479, 10101), (2613, 9583), (3367, 7437), (4107, 6097)]