640054083

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{15973}}^1$

素因数の和:16051

約数の個数: 24

約数和(自身を含む): 925086288

約数和(自身を除く): 285032205

約数列:

[1, 3, 19, 37, 57, 111, 361, 703, 1083, 2109, 13357, 15973, 40071, 47919, 303487, 591001, 910461, 1773003, 5766253, 11229019, 17298759, 33687057, 213351361, 640054083]

約数ペア:

[(1, 640054083), (3, 213351361), (19, 33687057), (37, 17298759), (57, 11229019), (111, 5766253), (361, 1773003), (703, 910461), (1083, 591001), (2109, 303487), (13357, 47919), (15973, 40071)]