664308729

素因数分解:

$3^3\times 7^2\times {\mathrm{131}}^1\times {\mathrm{3833}}^1$

素因数の和:3987

約数の個数: 48

約数和(自身を含む): 1153880640

約数和(自身を除く): 489571911

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 131, 147, 189, 393, 441, 917, 1179, 1323, 2751, 3537, 3833, 6419, 8253, 11499, 19257, 24759, 26831, 34497, 57771, 80493, 103491, 173313, 187817, 241479, 502123, 563451, 724437, 1506369, 1690353, 3514861, 4519107, 5071059, 10544583, 13557321, 24604027, 31633749, 73812081, 94901247, 221436243, 664308729]

約数ペア:

[(1, 664308729), (3, 221436243), (7, 94901247), (9, 73812081), (21, 31633749), (27, 24604027), (49, 13557321), (63, 10544583), (131, 5071059), (147, 4519107), (189, 3514861), (393, 1690353), (441, 1506369), (917, 724437), (1179, 563451), (1323, 502123), (2751, 241479), (3537, 187817), (3833, 173313), (6419, 103491), (8253, 80493), (11499, 57771), (19257, 34497), (24759, 26831)]