220491531

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{857}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 352672320

約数和(自身を除く): 132180789

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 733, 857, 2199, 2571, 6597, 7713, 9529, 11141, 19791, 23139, 28587, 33423, 85761, 100269, 257283, 300807, 628181, 1884543, 5653629, 8166353, 16960887, 24499059, 73497177, 220491531]

約数ペア:

[(1, 220491531), (3, 73497177), (9, 24499059), (13, 16960887), (27, 8166353), (39, 5653629), (117, 1884543), (351, 628181), (733, 300807), (857, 257283), (2199, 100269), (2571, 85761), (6597, 33423), (7713, 28587), (9529, 23139), (11141, 19791)]