81727855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^2$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 113993208

約数和(自身を除く): 32265353

約数列:

[1, 5, 11, 23, 53, 55, 115, 253, 265, 529, 583, 1219, 1265, 2645, 2809, 2915, 5819, 6095, 13409, 14045, 28037, 29095, 30899, 64607, 67045, 140185, 154495, 308407, 323035, 710677, 1485961, 1542035, 3553385, 7429805, 16345571, 81727855]

約数ペア:

[(1, 81727855), (5, 16345571), (11, 7429805), (23, 3553385), (53, 1542035), (55, 1485961), (115, 710677), (253, 323035), (265, 308407), (529, 154495), (583, 140185), (1219, 67045), (1265, 64607), (2645, 30899), (2809, 29095), (2915, 28037), (5819, 14045), (6095, 13409)]