13643217

素因数分解:

$3^2\times 7^2\times {\mathrm{30937}}^1$

素因数の和:30957

約数の個数: 18

約数和(自身を含む): 22925058

約数和(自身を除く): 9281841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 30937, 92811, 216559, 278433, 649677, 1515913, 1949031, 4547739, 13643217]

約数ペア:

[(1, 13643217), (3, 4547739), (7, 1949031), (9, 1515913), (21, 649677), (49, 278433), (63, 216559), (147, 92811), (441, 30937)]