28312185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 52476480

約数和(自身を除く): 24164295

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 121, 165, 209, 285, 363, 605, 627, 821, 1045, 1815, 2299, 2463, 3135, 4105, 6897, 9031, 11495, 12315, 15599, 27093, 34485, 45155, 46797, 77995, 99341, 135465, 171589, 233985, 298023, 496705, 514767, 857945, 1490115, 1887479, 2573835, 5662437, 9437395, 28312185]

約数ペア:

[(1, 28312185), (3, 9437395), (5, 5662437), (11, 2573835), (15, 1887479), (19, 1490115), (33, 857945), (55, 514767), (57, 496705), (95, 298023), (121, 233985), (165, 171589), (209, 135465), (285, 99341), (363, 77995), (605, 46797), (627, 45155), (821, 34485), (1045, 27093), (1815, 15599), (2299, 12315), (2463, 11495), (3135, 9031), (4105, 6897)]