205499187

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{6203}}^1$

素因数の和:6624

約数の個数: 20

約数和(自身を含む): 307780440

約数和(自身を除く): 102281253

約数列:

[1, 3, 9, 27, 81, 409, 1227, 3681, 6203, 11043, 18609, 33129, 55827, 167481, 502443, 2537027, 7611081, 22833243, 68499729, 205499187]

約数ペア:

[(1, 205499187), (3, 68499729), (9, 22833243), (27, 7611081), (81, 2537027), (409, 502443), (1227, 167481), (3681, 55827), (6203, 33129), (11043, 18609)]