30278367

素因数分解:

$3^4\times 7^1\times {\mathrm{53401}}^1$

素因数の和:53420

約数の個数: 20

約数和(自身を含む): 51693136

約数和(自身を除く): 21414769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 53401, 160203, 373807, 480609, 1121421, 1441827, 3364263, 4325481, 10092789, 30278367]

約数ペア:

[(1, 30278367), (3, 10092789), (7, 4325481), (9, 3364263), (21, 1441827), (27, 1121421), (63, 480609), (81, 373807), (189, 160203), (567, 53401)]