420477239

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1504

約数の個数: 32

約数和(自身を含む): 548352000

約数和(自身を除く): 127874761

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 1183, 1439, 1729, 2197, 3211, 10073, 15379, 18707, 22477, 27341, 41743, 130949, 191387, 243191, 292201, 355433, 1702337, 2488031, 3161483, 4620629, 22130381, 32344403, 60068177, 420477239]

約数ペア:

[(1, 420477239), (7, 60068177), (13, 32344403), (19, 22130381), (91, 4620629), (133, 3161483), (169, 2488031), (247, 1702337), (1183, 355433), (1439, 292201), (1729, 243191), (2197, 191387), (3211, 130949), (10073, 41743), (15379, 27341), (18707, 22477)]