13438305

素因数分解:

$3^4\times 5^1\times {\mathrm{33181}}^1$

素因数の和:33198

約数の個数: 20

約数和(自身を含む): 24090132

約数和(自身を除く): 10651827

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 33181, 99543, 165905, 298629, 497715, 895887, 1493145, 2687661, 4479435, 13438305]

約数ペア:

[(1, 13438305), (3, 4479435), (5, 2687661), (9, 1493145), (15, 895887), (27, 497715), (45, 298629), (81, 165905), (135, 99543), (405, 33181)]