247670409

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{42577}}^1$

素因数の和:42864

約数の個数: 16

約数和(自身を含む): 378773888

約数和(自身を除く): 131103479

約数列:

[1, 3, 7, 21, 277, 831, 1939, 5817, 42577, 127731, 298039, 894117, 11793829, 35381487, 82556803, 247670409]

約数ペア:

[(1, 247670409), (3, 82556803), (7, 35381487), (21, 11793829), (277, 894117), (831, 298039), (1939, 127731), (5817, 42577)]