257438295

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{50627}}^1$

素因数の和:50751

約数の個数: 24

約数和(自身を含む): 450184176

約数和(自身を除く): 192745881

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 50627, 151881, 253135, 455643, 759405, 2278215, 5720851, 17162553, 28604255, 51487659, 85812765, 257438295]

約数ペア:

[(1, 257438295), (3, 85812765), (5, 51487659), (9, 28604255), (15, 17162553), (45, 5720851), (113, 2278215), (339, 759405), (565, 455643), (1017, 253135), (1695, 151881), (5085, 50627)]