2021409

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 24

約数和(自身を含む): 3250080

約数和(自身を除く): 1228671

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 443, 507, 1329, 1521, 3987, 4563, 5759, 11961, 17277, 51831, 74867, 155493, 224601, 673803, 2021409]

約数ペア:

[(1, 2021409), (3, 673803), (9, 224601), (13, 155493), (27, 74867), (39, 51831), (117, 17277), (169, 11961), (351, 5759), (443, 4563), (507, 3987), (1329, 1521)]