201922749

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{52543}}^1$

素因数の和:52617

約数の個数: 24

約数和(自身を含む): 338803712

約数和(自身を除く): 136880963

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 52543, 157629, 367801, 472887, 1103403, 3205123, 3310209, 9615369, 22435861, 28846107, 67307583, 201922749]

約数ペア:

[(1, 201922749), (3, 67307583), (7, 28846107), (9, 22435861), (21, 9615369), (61, 3310209), (63, 3205123), (183, 1103403), (427, 472887), (549, 367801), (1281, 157629), (3843, 52543)]