7780617

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:852

約数の個数: 28

約数和(自身を含む): 12578244

約数和(自身を除く): 4797627

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 821, 1053, 2463, 3159, 7389, 9477, 10673, 22167, 32019, 66501, 96057, 199503, 288171, 598509, 864513, 2593539, 7780617]

約数ペア:

[(1, 7780617), (3, 2593539), (9, 864513), (13, 598509), (27, 288171), (39, 199503), (81, 96057), (117, 66501), (243, 32019), (351, 22167), (729, 10673), (821, 9477), (1053, 7389), (2463, 3159)]