284445

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{43}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 601920

約数和(自身を除く): 317475

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 49, 63, 105, 129, 135, 147, 189, 215, 245, 301, 315, 387, 441, 645, 735, 903, 945, 1161, 1323, 1505, 1935, 2107, 2205, 2709, 4515, 5805, 6321, 6615, 8127, 10535, 13545, 18963, 31605, 40635, 56889, 94815, 284445]

約数ペア:

[(1, 284445), (3, 94815), (5, 56889), (7, 40635), (9, 31605), (15, 18963), (21, 13545), (27, 10535), (35, 8127), (43, 6615), (45, 6321), (49, 5805), (63, 4515), (105, 2709), (129, 2205), (135, 2107), (147, 1935), (189, 1505), (215, 1323), (245, 1161), (301, 945), (315, 903), (387, 735), (441, 645)]