2168859

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 3709440

約数和(自身を除く): 1540581

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 229, 231, 287, 451, 687, 861, 1353, 1603, 2519, 3157, 4809, 7557, 9389, 9471, 17633, 28167, 52899, 65723, 103279, 197169, 309837, 722953, 2168859]

約数ペア:

[(1, 2168859), (3, 722953), (7, 309837), (11, 197169), (21, 103279), (33, 65723), (41, 52899), (77, 28167), (123, 17633), (229, 9471), (231, 9389), (287, 7557), (451, 4809), (687, 3157), (861, 2519), (1353, 1603)]