80127921

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 113592864

約数和(自身を除く): 33464943

約数列:

[1, 3, 19, 57, 241, 307, 361, 723, 921, 1083, 4579, 5833, 13737, 17499, 73987, 87001, 110827, 221961, 261003, 332481, 1405753, 4217259, 26709307, 80127921]

約数ペア:

[(1, 80127921), (3, 26709307), (19, 4217259), (57, 1405753), (241, 332481), (307, 261003), (361, 221961), (723, 110827), (921, 87001), (1083, 73987), (4579, 17499), (5833, 13737)]