214777311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 354348288

約数和(自身を除く): 139570977

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 361, 399, 691, 779, 861, 1083, 2073, 2337, 2527, 4837, 5453, 7581, 13129, 14511, 14801, 16359, 28331, 39387, 44403, 84993, 91903, 103607, 198317, 249451, 275709, 310821, 538289, 594951, 748353, 1614867, 1746157, 3768023, 5238471, 10227491, 11304069, 30682473, 71592437, 214777311]

約数ペア:

[(1, 214777311), (3, 71592437), (7, 30682473), (19, 11304069), (21, 10227491), (41, 5238471), (57, 3768023), (123, 1746157), (133, 1614867), (287, 748353), (361, 594951), (399, 538289), (691, 310821), (779, 275709), (861, 249451), (1083, 198317), (2073, 103607), (2337, 91903), (2527, 84993), (4837, 44403), (5453, 39387), (7581, 28331), (13129, 16359), (14511, 14801)]