15439851

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 26225472

約数和(自身を除く): 10785621

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 223, 441, 471, 669, 1099, 1413, 1561, 2007, 3297, 4683, 7693, 9891, 10927, 14049, 23079, 32781, 35011, 69237, 98343, 105033, 245077, 315099, 735231, 1715539, 2205693, 5146617, 15439851]

約数ペア:

[(1, 15439851), (3, 5146617), (7, 2205693), (9, 1715539), (21, 735231), (49, 315099), (63, 245077), (147, 105033), (157, 98343), (223, 69237), (441, 35011), (471, 32781), (669, 23079), (1099, 14049), (1413, 10927), (1561, 9891), (2007, 7693), (3297, 4683)]