2556279

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 4414080

約数和(自身を除く): 1857801

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 151, 171, 209, 297, 453, 513, 627, 891, 1359, 1539, 1661, 1881, 2869, 4077, 4983, 5643, 8607, 12231, 14949, 16929, 25821, 31559, 44847, 77463, 94677, 134541, 232389, 284031, 852093, 2556279]

約数ペア:

[(1, 2556279), (3, 852093), (9, 284031), (11, 232389), (19, 134541), (27, 94677), (33, 77463), (57, 44847), (81, 31559), (99, 25821), (151, 16929), (171, 14949), (209, 12231), (297, 8607), (453, 5643), (513, 4983), (627, 4077), (891, 2869), (1359, 1881), (1539, 1661)]