81513173

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{26647}}^1$

素因数の和:26696

約数の個数: 16

約数和(自身を含む): 102328320

約数和(自身を除く): 20815147

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 26647, 186529, 506293, 612881, 3544051, 4290167, 11644739, 81513173]

約数ペア:

[(1, 81513173), (7, 11644739), (19, 4290167), (23, 3544051), (133, 612881), (161, 506293), (437, 186529), (3059, 26647)]