208059621

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2213}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 358065792

約数和(自身を除く): 150006171

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 121, 231, 259, 363, 407, 777, 847, 1221, 2213, 2541, 2849, 4477, 6639, 8547, 13431, 15491, 24343, 31339, 46473, 73029, 81881, 94017, 170401, 245643, 267773, 511203, 573167, 803319, 900691, 1719501, 1874411, 2702073, 5623233, 6304837, 9907601, 18914511, 29722803, 69353207, 208059621]

約数ペア:

[(1, 208059621), (3, 69353207), (7, 29722803), (11, 18914511), (21, 9907601), (33, 6304837), (37, 5623233), (77, 2702073), (111, 1874411), (121, 1719501), (231, 900691), (259, 803319), (363, 573167), (407, 511203), (777, 267773), (847, 245643), (1221, 170401), (2213, 94017), (2541, 81881), (2849, 73029), (4477, 46473), (6639, 31339), (8547, 24343), (13431, 15491)]