2017821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 2992640

約数和(自身を除く): 974819

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 1669, 5007, 21697, 51739, 65091, 155217, 672607, 2017821]

約数ペア:

[(1, 2017821), (3, 672607), (13, 155217), (31, 65091), (39, 51739), (93, 21697), (403, 5007), (1209, 1669)]