249570237

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{883}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 390827008

約数和(自身を除く): 141256771

約数列:

[1, 3, 7, 21, 43, 129, 301, 313, 883, 903, 939, 2191, 2649, 6181, 6573, 13459, 18543, 37969, 40377, 94213, 113907, 265783, 276379, 282639, 797349, 829137, 1934653, 5803959, 11884297, 35652891, 83190079, 249570237]

約数ペア:

[(1, 249570237), (3, 83190079), (7, 35652891), (21, 11884297), (43, 5803959), (129, 1934653), (301, 829137), (313, 797349), (883, 282639), (903, 276379), (939, 265783), (2191, 113907), (2649, 94213), (6181, 40377), (6573, 37969), (13459, 18543)]