121905189

素因数分解:

$3^3\times 7^2\times {\mathrm{92143}}^1$

素因数の和:92166

約数の個数: 24

約数和(自身を含む): 210088320

約数和(自身を除く): 88183131

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 92143, 276429, 645001, 829287, 1935003, 2487861, 4515007, 5805009, 13545021, 17415027, 40635063, 121905189]

約数ペア:

[(1, 121905189), (3, 40635063), (7, 17415027), (9, 13545021), (21, 5805009), (27, 4515007), (49, 2487861), (63, 1935003), (147, 829287), (189, 645001), (441, 276429), (1323, 92143)]