30686655

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1217}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 50366736

約数和(自身を除く): 19680081

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 1217, 1681, 3651, 5043, 6085, 8405, 18255, 25215, 49897, 149691, 249485, 748455, 2045777, 6137331, 10228885, 30686655]

約数ペア:

[(1, 30686655), (3, 10228885), (5, 6137331), (15, 2045777), (41, 748455), (123, 249485), (205, 149691), (615, 49897), (1217, 25215), (1681, 18255), (3651, 8405), (5043, 6085)]