21778497

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{62047}}^1$

素因数の和:62069

約数の個数: 16

約数和(自身を含む): 34746880

約数和(自身を除く): 12968383

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 62047, 186141, 558423, 806611, 1675269, 2419833, 7259499, 21778497]

約数ペア:

[(1, 21778497), (3, 7259499), (9, 2419833), (13, 1675269), (27, 806611), (39, 558423), (117, 186141), (351, 62047)]