2081385

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 3766464

約数和(自身を除く): 1685079

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 2011, 6033, 10055, 18099, 30165, 46253, 90495, 138759, 231265, 416277, 693795, 2081385]

約数ペア:

[(1, 2081385), (3, 693795), (5, 416277), (9, 231265), (15, 138759), (23, 90495), (45, 46253), (69, 30165), (115, 18099), (207, 10055), (345, 6033), (1035, 2011)]