217768557

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{233}}^1\times {\mathrm{863}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 308116224

約数和(自身を除く): 90347667

約数列:

[1, 3, 19, 57, 233, 361, 699, 863, 1083, 2589, 4427, 13281, 16397, 49191, 84113, 201079, 252339, 311543, 603237, 934629, 3820501, 11461503, 72589519, 217768557]

約数ペア:

[(1, 217768557), (3, 72589519), (19, 11461503), (57, 3820501), (233, 934629), (361, 603237), (699, 311543), (863, 252339), (1083, 201079), (2589, 84113), (4427, 49191), (13281, 16397)]