2078025

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 3481920

約数和(自身を除く): 1403895

約数列:

[1, 3, 5, 15, 25, 75, 103, 269, 309, 515, 807, 1345, 1545, 2575, 4035, 6725, 7725, 20175, 27707, 83121, 138535, 415605, 692675, 2078025]

約数ペア:

[(1, 2078025), (3, 692675), (5, 415605), (15, 138535), (25, 83121), (75, 27707), (103, 20175), (269, 7725), (309, 6725), (515, 4035), (807, 2575), (1345, 1545)]