7179921

素因数分解:

$3^7\times 7^2\times {\mathrm{67}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 12713280

約数和(自身を除く): 5533359

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 81, 147, 189, 201, 243, 441, 469, 567, 603, 729, 1323, 1407, 1701, 1809, 2187, 3283, 3969, 4221, 5103, 5427, 9849, 11907, 12663, 15309, 16281, 29547, 35721, 37989, 48843, 88641, 107163, 113967, 146529, 265923, 341901, 797769, 1025703, 2393307, 7179921]

約数ペア:

[(1, 7179921), (3, 2393307), (7, 1025703), (9, 797769), (21, 341901), (27, 265923), (49, 146529), (63, 113967), (67, 107163), (81, 88641), (147, 48843), (189, 37989), (201, 35721), (243, 29547), (441, 16281), (469, 15309), (567, 12663), (603, 11907), (729, 9849), (1323, 5427), (1407, 5103), (1701, 4221), (1809, 3969), (2187, 3283)]