28525275

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1420

約数の個数: 36

約数和(自身を含む): 51658152

約数和(自身を除く): 23132877

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 225, 291, 485, 873, 1307, 1455, 2425, 3921, 4365, 6535, 7275, 11763, 19605, 21825, 32675, 58815, 98025, 126779, 294075, 380337, 633895, 1141011, 1901685, 3169475, 5705055, 9508425, 28525275]

約数ペア:

[(1, 28525275), (3, 9508425), (5, 5705055), (9, 3169475), (15, 1901685), (25, 1141011), (45, 633895), (75, 380337), (97, 294075), (225, 126779), (291, 98025), (485, 58815), (873, 32675), (1307, 21825), (1455, 19605), (2425, 11763), (3921, 7275), (4365, 6535)]