28119069

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 60

約数和(自身を含む): 48922720

約数和(自身を除く): 20803651

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 121, 151, 171, 209, 297, 363, 453, 513, 627, 891, 1089, 1359, 1539, 1661, 1881, 2299, 2869, 3267, 4077, 4983, 5643, 6897, 8607, 9801, 12231, 14949, 16929, 18271, 20691, 25821, 31559, 44847, 54813, 62073, 77463, 94677, 134541, 164439, 186219, 232389, 284031, 347149, 493317, 852093, 1041447, 1479951, 2556279, 3124341, 9373023, 28119069]

約数ペア:

[(1, 28119069), (3, 9373023), (9, 3124341), (11, 2556279), (19, 1479951), (27, 1041447), (33, 852093), (57, 493317), (81, 347149), (99, 284031), (121, 232389), (151, 186219), (171, 164439), (209, 134541), (297, 94677), (363, 77463), (453, 62073), (513, 54813), (627, 44847), (891, 31559), (1089, 25821), (1359, 20691), (1539, 18271), (1661, 16929), (1881, 14949), (2299, 12231), (2869, 9801), (3267, 8607), (4077, 6897), (4983, 5643)]