2777085

素因数分解:

$3^4\times 5^1\times {\mathrm{6857}}^1$

素因数の和:6874

約数の個数: 20

約数和(自身を含む): 4978908

約数和(自身を除く): 2201823

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6857, 20571, 34285, 61713, 102855, 185139, 308565, 555417, 925695, 2777085]

約数ペア:

[(1, 2777085), (3, 925695), (5, 555417), (9, 308565), (15, 185139), (27, 102855), (45, 61713), (81, 34285), (135, 20571), (405, 6857)]