78821343

素因数分解:

$3^4\times {\mathrm{281}}^1\times {\mathrm{3463}}^1$

素因数の和:3756

約数の個数: 20

約数和(自身を含む): 118198608

約数和(自身を除く): 39377265

約数列:

[1, 3, 9, 27, 81, 281, 843, 2529, 3463, 7587, 10389, 22761, 31167, 93501, 280503, 973103, 2919309, 8757927, 26273781, 78821343]

約数ペア:

[(1, 78821343), (3, 26273781), (9, 8757927), (27, 2919309), (81, 973103), (281, 280503), (843, 93501), (2529, 31167), (3463, 22761), (7587, 10389)]