28774575

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 54044160

約数和(自身を除く): 25269585

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 423, 675, 705, 907, 1175, 1269, 2115, 2721, 3525, 4535, 6345, 8163, 10575, 13605, 22675, 24489, 31725, 40815, 42629, 68025, 122445, 127887, 204075, 213145, 383661, 612225, 639435, 1065725, 1150983, 1918305, 3197175, 5754915, 9591525, 28774575]

約数ペア:

[(1, 28774575), (3, 9591525), (5, 5754915), (9, 3197175), (15, 1918305), (25, 1150983), (27, 1065725), (45, 639435), (47, 612225), (75, 383661), (135, 213145), (141, 204075), (225, 127887), (235, 122445), (423, 68025), (675, 42629), (705, 40815), (907, 31725), (1175, 24489), (1269, 22675), (2115, 13605), (2721, 10575), (3525, 8163), (4535, 6345)]