7209189

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 12902400

約数和(自身を除く): 5693211

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 47, 57, 69, 117, 141, 171, 207, 247, 299, 351, 423, 437, 513, 611, 621, 741, 893, 897, 1081, 1269, 1311, 1833, 2223, 2679, 2691, 3243, 3933, 5499, 5681, 6669, 8037, 8073, 9729, 11609, 11799, 14053, 16497, 17043, 20539, 24111, 29187, 34827, 42159, 51129, 61617, 104481, 126477, 153387, 184851, 267007, 313443, 379431, 554553, 801021, 2403063, 7209189]

約数ペア:

[(1, 7209189), (3, 2403063), (9, 801021), (13, 554553), (19, 379431), (23, 313443), (27, 267007), (39, 184851), (47, 153387), (57, 126477), (69, 104481), (117, 61617), (141, 51129), (171, 42159), (207, 34827), (247, 29187), (299, 24111), (351, 20539), (423, 17043), (437, 16497), (513, 14053), (611, 11799), (621, 11609), (741, 9729), (893, 8073), (897, 8037), (1081, 6669), (1269, 5681), (1311, 5499), (1833, 3933), (2223, 3243), (2679, 2691)]