206857161

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2833}}^1$

素因数の和:2926

約数の個数: 48

約数和(自身を含む): 365472640

約数和(自身を除く): 158615479

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 133, 171, 183, 399, 427, 549, 1159, 1197, 1281, 2833, 3477, 3843, 8113, 8499, 10431, 19831, 24339, 25497, 53827, 59493, 73017, 161481, 172813, 178479, 376789, 484443, 518439, 1130367, 1209691, 1555317, 3283447, 3391101, 3629073, 9850341, 10887219, 22984129, 29551023, 68952387, 206857161]

約数ペア:

[(1, 206857161), (3, 68952387), (7, 29551023), (9, 22984129), (19, 10887219), (21, 9850341), (57, 3629073), (61, 3391101), (63, 3283447), (133, 1555317), (171, 1209691), (183, 1130367), (399, 518439), (427, 484443), (549, 376789), (1159, 178479), (1197, 172813), (1281, 161481), (2833, 73017), (3477, 59493), (3843, 53827), (8113, 25497), (8499, 24339), (10431, 19831)]