3920049

素因数分解:

$3^3\times 7^2\times {\mathrm{2963}}^1$

素因数の和:2986

約数の個数: 24

約数和(自身を含む): 6757920

約数和(自身を除く): 2837871

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2963, 8889, 20741, 26667, 62223, 80001, 145187, 186669, 435561, 560007, 1306683, 3920049]

約数ペア:

[(1, 3920049), (3, 1306683), (7, 560007), (9, 435561), (21, 186669), (27, 145187), (49, 80001), (63, 62223), (147, 26667), (189, 20741), (441, 8889), (1323, 2963)]