2009997

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 3219840

約数和(自身を除く): 1209843

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 257, 711, 771, 869, 2313, 2607, 2827, 7821, 8481, 20303, 25443, 60909, 182727, 223333, 669999, 2009997]

約数ペア:

[(1, 2009997), (3, 669999), (9, 223333), (11, 182727), (33, 60909), (79, 25443), (99, 20303), (237, 8481), (257, 7821), (711, 2827), (771, 2607), (869, 2313)]