81967245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127081}}^1$

素因数の和:127132

約数の個数: 16

約数和(自身を含む): 134198592

約数和(自身を除く): 52231347

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 127081, 381243, 635405, 1906215, 5464483, 16393449, 27322415, 81967245]

約数ペア:

[(1, 81967245), (3, 27322415), (5, 16393449), (15, 5464483), (43, 1906215), (129, 635405), (215, 381243), (645, 127081)]