27991117

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3217}}^1$

素因数の和:3348

約数の個数: 16

約数和(自身を含む): 35217792

約数和(自身を除く): 7226675

約数列:

[1, 7, 11, 77, 113, 791, 1243, 3217, 8701, 22519, 35387, 247709, 363521, 2544647, 3998731, 27991117]

約数ペア:

[(1, 27991117), (7, 3998731), (11, 2544647), (77, 363521), (113, 247709), (791, 35387), (1243, 22519), (3217, 8701)]