55805907

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{227}}^2$

素因数の和:495

約数の個数: 18

約数和(自身を含む): 78877668

約数和(自身を除く): 23071761

約数列:

[1, 3, 19, 57, 227, 361, 681, 1083, 4313, 12939, 51529, 81947, 154587, 245841, 979051, 2937153, 18601969, 55805907]

約数ペア:

[(1, 55805907), (3, 18601969), (19, 2937153), (57, 979051), (227, 245841), (361, 154587), (681, 81947), (1083, 51529), (4313, 12939)]