31205923

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 38514528

約数和(自身を除く): 7308605

約数列:

[1, 7, 19, 53, 133, 233, 361, 371, 1007, 1631, 2527, 4427, 7049, 12349, 19133, 30989, 84113, 86443, 133931, 234631, 588791, 1642417, 4457989, 31205923]

約数ペア:

[(1, 31205923), (7, 4457989), (19, 1642417), (53, 588791), (133, 234631), (233, 133931), (361, 86443), (371, 84113), (1007, 30989), (1631, 19133), (2527, 12349), (4427, 7049)]