15553377

素因数分解:

$3^4\times 7^1\times {\mathrm{27431}}^1$

素因数の和:27450

約数の個数: 20

約数和(自身を含む): 26554176

約数和(自身を除く): 11000799

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27431, 82293, 192017, 246879, 576051, 740637, 1728153, 2221911, 5184459, 15553377]

約数ペア:

[(1, 15553377), (3, 5184459), (7, 2221911), (9, 1728153), (21, 740637), (27, 576051), (63, 246879), (81, 192017), (189, 82293), (567, 27431)]