2180367

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 3672864

約数和(自身を除く): 1492497

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 653, 1113, 1959, 3339, 4571, 5877, 13713, 34609, 41139, 103827, 242263, 311481, 726789, 2180367]

約数ペア:

[(1, 2180367), (3, 726789), (7, 311481), (9, 242263), (21, 103827), (53, 41139), (63, 34609), (159, 13713), (371, 5877), (477, 4571), (653, 3339), (1113, 1959)]