16909803

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1093}}^1$

素因数の和:1296

約数の個数: 20

約数和(自身を含む): 25415808

約数和(自身を除く): 8506005

約数列:

[1, 3, 9, 27, 81, 191, 573, 1093, 1719, 3279, 5157, 9837, 15471, 29511, 88533, 208763, 626289, 1878867, 5636601, 16909803]

約数ペア:

[(1, 16909803), (3, 5636601), (9, 1878867), (27, 626289), (81, 208763), (191, 88533), (573, 29511), (1093, 15471), (1719, 9837), (3279, 5157)]