28773207

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1433}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 43845984

約数和(自身を除く): 15072777

約数列:

[1, 3, 9, 23, 69, 97, 207, 291, 873, 1433, 2231, 4299, 6693, 12897, 20079, 32959, 98877, 139001, 296631, 417003, 1251009, 3197023, 9591069, 28773207]

約数ペア:

[(1, 28773207), (3, 9591069), (9, 3197023), (23, 1251009), (69, 417003), (97, 296631), (207, 139001), (291, 98877), (873, 32959), (1433, 20079), (2231, 12897), (4299, 6693)]