15131493

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5623}}^1$

素因数の和:5665

約数の個数: 24

約数和(自身を含む): 24565632

約数和(自身を除く): 9434139

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 5623, 16869, 50607, 73099, 129329, 219297, 387987, 657891, 1163961, 1681277, 5043831, 15131493]

約数ペア:

[(1, 15131493), (3, 5043831), (9, 1681277), (13, 1163961), (23, 657891), (39, 387987), (69, 219297), (117, 129329), (207, 73099), (299, 50607), (897, 16869), (2691, 5623)]