81771678

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{11443}}^1$

素因数の和:11848

約数の個数: 24

約数和(自身を含む): 177633768

約数和(自身を除く): 95862090

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 3573, 7146, 11443, 22886, 34329, 68658, 102987, 205974, 4542871, 9085742, 13628613, 27257226, 40885839, 81771678]

約数ペア:

[(1, 81771678), (2, 40885839), (3, 27257226), (6, 13628613), (9, 9085742), (18, 4542871), (397, 205974), (794, 102987), (1191, 68658), (2382, 34329), (3573, 22886), (7146, 11443)]