56421.000000

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:846

約数の個数: 20

約数和(自身を含む): 1392468

約数和(自身を除く): 527955

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 821, 1053, 2463, 7389, 10673, 22167, 32019, 66501, 96057, 288171, 864513]

約数ペア:

[(1, 864513), (3, 288171), (9, 96057), (13, 66501), (27, 32019), (39, 22167), (81, 10673), (117, 7389), (351, 2463), (821, 1053)]