2081235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 3610224

約数和(自身を除く): 1528989

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 821, 845, 2463, 2535, 4105, 10673, 12315, 32019, 53365, 138749, 160095, 416247, 693745, 2081235]

約数ペア:

[(1, 2081235), (3, 693745), (5, 416247), (13, 160095), (15, 138749), (39, 53365), (65, 32019), (169, 12315), (195, 10673), (507, 4105), (821, 2535), (845, 2463)]