81909793

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 95027200

約数和(自身を除く): 13117407

約数列:

[1, 7, 127, 199, 463, 889, 1393, 3241, 25273, 58801, 92137, 176911, 411607, 644959, 11701399, 81909793]

約数ペア:

[(1, 81909793), (7, 11701399), (127, 644959), (199, 411607), (463, 176911), (889, 92137), (1393, 58801), (3241, 25273)]