15193971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7639}}^1$

素因数の和:7675

約数の個数: 24

約数和(自身を含む): 25028640

約数和(自身を除く): 9834669

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 7639, 22917, 68751, 99307, 129863, 297921, 389589, 893763, 1168767, 1688219, 5064657, 15193971]

約数ペア:

[(1, 15193971), (3, 5064657), (9, 1688219), (13, 1168767), (17, 893763), (39, 389589), (51, 297921), (117, 129863), (153, 99307), (221, 68751), (663, 22917), (1989, 7639)]