2557755

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 4481568

約数和(自身を除く): 1923813

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 503, 565, 1017, 1509, 1695, 2515, 4527, 5085, 7545, 22635, 56839, 170517, 284195, 511551, 852585, 2557755]

約数ペア:

[(1, 2557755), (3, 852585), (5, 511551), (9, 284195), (15, 170517), (45, 56839), (113, 22635), (339, 7545), (503, 5085), (565, 4527), (1017, 2515), (1509, 1695)]