2781495

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 4872816

約数和(自身を除く): 2091321

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 547, 565, 1017, 1641, 1695, 2735, 4923, 5085, 8205, 24615, 61811, 185433, 309055, 556299, 927165, 2781495]

約数ペア:

[(1, 2781495), (3, 927165), (5, 556299), (9, 309055), (15, 185433), (45, 61811), (113, 24615), (339, 8205), (547, 5085), (565, 4923), (1017, 2735), (1641, 1695)]