27999153

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 52730496

約数和(自身を除く): 24731343

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 2011, 4641, 6033, 13923, 14077, 18099, 26143, 34187, 42231, 78429, 102561, 126693, 183001, 235287, 239309, 307683, 444431, 549003, 717927, 1333293, 1647009, 2153781, 3111017, 3999879, 9333051, 27999153]

約数ペア:

[(1, 27999153), (3, 9333051), (7, 3999879), (9, 3111017), (13, 2153781), (17, 1647009), (21, 1333293), (39, 717927), (51, 549003), (63, 444431), (91, 307683), (117, 239309), (119, 235287), (153, 183001), (221, 126693), (273, 102561), (357, 78429), (663, 42231), (819, 34187), (1071, 26143), (1547, 18099), (1989, 14077), (2011, 13923), (4641, 6033)]