851877

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:834

約数の個数: 20

約数和(自身を含む): 1372140

約数和(自身を除く): 520263

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 809, 1053, 2427, 7281, 10517, 21843, 31551, 65529, 94653, 283959, 851877]

約数ペア:

[(1, 851877), (3, 283959), (9, 94653), (13, 65529), (27, 31551), (39, 21843), (81, 10517), (117, 7281), (351, 2427), (809, 1053)]