28877739

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 17087061

約数列:

[1, 3, 11, 19, 33, 53, 57, 79, 121, 159, 209, 237, 363, 583, 627, 869, 1007, 1501, 1749, 2299, 2607, 3021, 4187, 4503, 6413, 6897, 9559, 11077, 12561, 16511, 19239, 28677, 33231, 46057, 49533, 79553, 121847, 138171, 181621, 238659, 365541, 506627, 544863, 875083, 1519881, 2625249, 9625913, 28877739]

約数ペア:

[(1, 28877739), (3, 9625913), (11, 2625249), (19, 1519881), (33, 875083), (53, 544863), (57, 506627), (79, 365541), (121, 238659), (159, 181621), (209, 138171), (237, 121847), (363, 79553), (583, 49533), (627, 46057), (869, 33231), (1007, 28677), (1501, 19239), (1749, 16511), (2299, 12561), (2607, 11077), (3021, 9559), (4187, 6897), (4503, 6413)]