289820538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{766721}}^1$

素因数の和:766739

約数の個数: 32

約数和(自身を含む): 736053120

約数和(自身を除く): 446232582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 766721, 1533442, 2300163, 4600326, 5367047, 6900489, 10734094, 13800978, 16101141, 20701467, 32202282, 41402934, 48303423, 96606846, 144910269, 289820538]

約数ペア:

[(1, 289820538), (2, 144910269), (3, 96606846), (6, 48303423), (7, 41402934), (9, 32202282), (14, 20701467), (18, 16101141), (21, 13800978), (27, 10734094), (42, 6900489), (54, 5367047), (63, 4600326), (126, 2300163), (189, 1533442), (378, 766721)]