15688161

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{11393}}^1$

素因数の和:11422

約数の個数: 20

約数和(自身を含む): 24816132

約数和(自身を除く): 9127971

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 11393, 34179, 102537, 193681, 307611, 581043, 922833, 1743129, 5229387, 15688161]

約数ペア:

[(1, 15688161), (3, 5229387), (9, 1743129), (17, 922833), (27, 581043), (51, 307611), (81, 193681), (153, 102537), (459, 34179), (1377, 11393)]