857702209

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 1087412480

約数和(自身を除く): 229710271

約数列:

[1, 7, 13, 43, 91, 169, 301, 559, 1183, 1297, 2197, 3913, 7267, 9079, 15379, 16861, 50869, 55771, 94471, 118027, 219193, 390397, 661297, 725023, 1534351, 2849509, 5075161, 9425299, 19946563, 65977093, 122528887, 857702209]

約数ペア:

[(1, 857702209), (7, 122528887), (13, 65977093), (43, 19946563), (91, 9425299), (169, 5075161), (301, 2849509), (559, 1534351), (1183, 725023), (1297, 661297), (2197, 390397), (3913, 219193), (7267, 118027), (9079, 94471), (15379, 55771), (16861, 50869)]