2021286069

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1960

約数の個数: 80

約数和(自身を含む): 3503896704

約数和(自身を除く): 1482610635

約数列:

[1, 3, 9, 11, 23, 27, 33, 53, 69, 81, 99, 159, 207, 253, 297, 477, 583, 621, 759, 891, 1219, 1431, 1749, 1861, 1863, 2277, 3657, 4293, 5247, 5583, 6831, 10971, 13409, 15741, 16749, 20471, 20493, 32913, 40227, 42803, 47223, 50247, 61413, 98633, 98739, 120681, 128409, 150741, 184239, 295899, 362043, 385227, 470833, 552717, 887697, 1084963, 1086129, 1155681, 1412499, 1658151, 2268559, 2663091, 3254889, 3467043, 4237497, 6805677, 7989273, 9764667, 12712491, 20417031, 24954149, 29294001, 38137473, 61251093, 74862447, 87882003, 183753279, 224587341, 673762023, 2021286069]

約数ペア:

[(1, 2021286069), (3, 673762023), (9, 224587341), (11, 183753279), (23, 87882003), (27, 74862447), (33, 61251093), (53, 38137473), (69, 29294001), (81, 24954149), (99, 20417031), (159, 12712491), (207, 9764667), (253, 7989273), (297, 6805677), (477, 4237497), (583, 3467043), (621, 3254889), (759, 2663091), (891, 2268559), (1219, 1658151), (1431, 1412499), (1749, 1155681), (1861, 1086129), (1863, 1084963), (2277, 887697), (3657, 552717), (4293, 470833), (5247, 385227), (5583, 362043), (6831, 295899), (10971, 184239), (13409, 150741), (15741, 128409), (16749, 120681), (20471, 98739), (20493, 98633), (32913, 61413), (40227, 50247), (42803, 47223)]