61781778

素因数分解:

$2^1\times 3^5\times {\mathrm{127123}}^1$

素因数の和:127140

約数の個数: 24

約数和(自身を含む): 138819408

約数和(自身を除く): 77037630

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 127123, 254246, 381369, 762738, 1144107, 2288214, 3432321, 6864642, 10296963, 20593926, 30890889, 61781778]

約数ペア:

[(1, 61781778), (2, 30890889), (3, 20593926), (6, 10296963), (9, 6864642), (18, 3432321), (27, 2288214), (54, 1144107), (81, 762738), (162, 381369), (243, 254246), (486, 127123)]