169979877

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{10987}}^1$

素因数の和:11190

約数の個数: 20

約数和(自身を含む): 255273216

約数和(自身を除く): 85293339

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 5157, 10987, 15471, 32961, 98883, 296649, 889947, 2098517, 6295551, 18886653, 56659959, 169979877]

約数ペア:

[(1, 169979877), (3, 56659959), (9, 18886653), (27, 6295551), (81, 2098517), (191, 889947), (573, 296649), (1719, 98883), (5157, 32961), (10987, 15471)]