664173861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{3571}}^1$

素因数の和:3857

約数の個数: 32

約数和(自身を含む): 1008161280

約数和(自身を除く): 343987419

約数列:

[1, 3, 13, 19, 39, 57, 247, 251, 741, 753, 3263, 3571, 4769, 9789, 10713, 14307, 46423, 61997, 67849, 139269, 185991, 203547, 882037, 896321, 2646111, 2688963, 11652173, 17030099, 34956519, 51090297, 221391287, 664173861]

約数ペア:

[(1, 664173861), (3, 221391287), (13, 51090297), (19, 34956519), (39, 17030099), (57, 11652173), (247, 2688963), (251, 2646111), (741, 896321), (753, 882037), (3263, 203547), (3571, 185991), (4769, 139269), (9789, 67849), (10713, 61997), (14307, 46423)]