217014721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{6277}}^1$

素因数の和:6744

約数の個数: 16

約数和(自身を含む): 271209600

約数和(自身を除く): 54194879

約数列:

[1, 7, 11, 77, 449, 3143, 4939, 6277, 34573, 43939, 69047, 483329, 2818373, 19728611, 31002103, 217014721]

約数ペア:

[(1, 217014721), (7, 31002103), (11, 19728611), (77, 2818373), (449, 483329), (3143, 69047), (4939, 43939), (6277, 34573)]