15211719

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{11047}}^1$

素因数の和:11076

約数の個数: 20

約数和(自身を含む): 24062544

約数和(自身を除く): 8850825

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 11047, 33141, 99423, 187799, 298269, 563397, 894807, 1690191, 5070573, 15211719]

約数ペア:

[(1, 15211719), (3, 5070573), (9, 1690191), (17, 894807), (27, 563397), (51, 298269), (81, 187799), (153, 99423), (459, 33141), (1377, 11047)]