248557005

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10061}}^1$

素因数の和:10139

約数の個数: 40

約数和(自身を含む): 452910744

約数和(自身を除く): 204353739

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2745, 4941, 8235, 10061, 24705, 30183, 50305, 90549, 150915, 271647, 452745, 613721, 814941, 1358235, 1841163, 3068605, 4074705, 5523489, 9205815, 16570467, 27617445, 49711401, 82852335, 248557005]

約数ペア:

[(1, 248557005), (3, 82852335), (5, 49711401), (9, 27617445), (15, 16570467), (27, 9205815), (45, 5523489), (61, 4074705), (81, 3068605), (135, 1841163), (183, 1358235), (305, 814941), (405, 613721), (549, 452745), (915, 271647), (1647, 150915), (2745, 90549), (4941, 50305), (8235, 30183), (10061, 24705)]