15963561

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{11593}}^1$

素因数の和:11622

約数の個数: 20

約数和(自身を含む): 25251732

約数和(自身を除く): 9288171

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 11593, 34779, 104337, 197081, 313011, 591243, 939033, 1773729, 5321187, 15963561]

約数ペア:

[(1, 15963561), (3, 5321187), (9, 1773729), (17, 939033), (27, 591243), (51, 313011), (81, 197081), (153, 104337), (459, 34779), (1377, 11593)]