210919905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6143}}^1$

素因数の和:6270

約数の個数: 48

約数和(自身を含む): 421724160

約数和(自身を除く): 210804255

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 109, 315, 327, 545, 763, 981, 1635, 2289, 3815, 4905, 6143, 6867, 11445, 18429, 30715, 34335, 43001, 55287, 92145, 129003, 215005, 276435, 387009, 645015, 669587, 1935045, 2008761, 3347935, 4687109, 6026283, 10043805, 14061327, 23435545, 30131415, 42183981, 70306635, 210919905]

約数ペア:

[(1, 210919905), (3, 70306635), (5, 42183981), (7, 30131415), (9, 23435545), (15, 14061327), (21, 10043805), (35, 6026283), (45, 4687109), (63, 3347935), (105, 2008761), (109, 1935045), (315, 669587), (327, 645015), (545, 387009), (763, 276435), (981, 215005), (1635, 129003), (2289, 92145), (3815, 55287), (4905, 43001), (6143, 34335), (6867, 30715), (11445, 18429)]