208577985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{16417}}^1$

素因数の和:16454

約数の個数: 48

約数和(自身を含む): 419250048

約数和(自身を除く): 210672063

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 2541, 4235, 12705, 16417, 49251, 82085, 114919, 180587, 246255, 344757, 541761, 574595, 902935, 1264109, 1723785, 1986457, 2708805, 3792327, 5959371, 6320545, 9932285, 13905199, 18961635, 29796855, 41715597, 69525995, 208577985]

約数ペア:

[(1, 208577985), (3, 69525995), (5, 41715597), (7, 29796855), (11, 18961635), (15, 13905199), (21, 9932285), (33, 6320545), (35, 5959371), (55, 3792327), (77, 2708805), (105, 1986457), (121, 1723785), (165, 1264109), (231, 902935), (363, 574595), (385, 541761), (605, 344757), (847, 246255), (1155, 180587), (1815, 114919), (2541, 82085), (4235, 49251), (12705, 16417)]