78312729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{21001}}^1$

素因数の和:21128

約数の個数: 16

約数和(自身を含む): 114922944

約数和(自身を除く): 36610215

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 21001, 63003, 231011, 693033, 2373113, 7119339, 26104243, 78312729]

約数ペア:

[(1, 78312729), (3, 26104243), (11, 7119339), (33, 2373113), (113, 693033), (339, 231011), (1243, 63003), (3729, 21001)]