668696259

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{12641}}^1$

素因数の和:12891

約数の個数: 32

約数和(自身を含む): 1116541440

約数和(自身を除く): 447845181

約数列:

[1, 3, 7, 11, 21, 33, 77, 229, 231, 687, 1603, 2519, 4809, 7557, 12641, 17633, 37923, 52899, 88487, 139051, 265461, 417153, 973357, 2894789, 2920071, 8684367, 20263523, 31842679, 60790569, 95528037, 222898753, 668696259]

約数ペア:

[(1, 668696259), (3, 222898753), (7, 95528037), (11, 60790569), (21, 31842679), (33, 20263523), (77, 8684367), (229, 2920071), (231, 2894789), (687, 973357), (1603, 417153), (2519, 265461), (4809, 139051), (7557, 88487), (12641, 52899), (17633, 37923)]