2220801

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 3257280

約数和(自身を除く): 1036479

約数列:

[1, 3, 11, 33, 173, 389, 519, 1167, 1903, 4279, 5709, 12837, 67297, 201891, 740267, 2220801]

約数ペア:

[(1, 2220801), (3, 740267), (11, 201891), (33, 67297), (173, 12837), (389, 5709), (519, 4279), (1167, 1903)]