2647251

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 4090320

約数和(自身を除く): 1443069

約数列:

[1, 3, 9, 19, 57, 113, 137, 171, 339, 411, 1017, 1233, 2147, 2603, 6441, 7809, 15481, 19323, 23427, 46443, 139329, 294139, 882417, 2647251]

約数ペア:

[(1, 2647251), (3, 882417), (9, 294139), (19, 139329), (57, 46443), (113, 23427), (137, 19323), (171, 15481), (339, 7809), (411, 6441), (1017, 2603), (1233, 2147)]