25340889

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 42535680

約数和(自身を除く): 17194791

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 211, 301, 399, 633, 817, 903, 931, 1477, 2107, 2451, 2793, 4009, 4431, 5719, 6321, 9073, 10339, 12027, 17157, 27219, 28063, 31017, 40033, 63511, 84189, 120099, 172387, 190533, 196441, 444577, 517161, 589323, 1206709, 1333731, 3620127, 8446963, 25340889]

約数ペア:

[(1, 25340889), (3, 8446963), (7, 3620127), (19, 1333731), (21, 1206709), (43, 589323), (49, 517161), (57, 444577), (129, 196441), (133, 190533), (147, 172387), (211, 120099), (301, 84189), (399, 63511), (633, 40033), (817, 31017), (903, 28063), (931, 27219), (1477, 17157), (2107, 12027), (2451, 10339), (2793, 9073), (4009, 6321), (4431, 5719)]