15509871

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6977}}^1$

素因数の和:7015

約数の個数: 24

約数和(自身を含む): 25399920

約数和(自身を除く): 9890049

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 6977, 20931, 62793, 90701, 132563, 272103, 397689, 816309, 1193067, 1723319, 5169957, 15509871]

約数ペア:

[(1, 15509871), (3, 5169957), (9, 1723319), (13, 1193067), (19, 816309), (39, 397689), (57, 272103), (117, 132563), (171, 90701), (247, 62793), (741, 20931), (2223, 6977)]