31020489

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{6491}}^1$

素因数の和:6562

約数の個数: 20

約数和(自身を含む): 47131920

約数和(自身を除く): 16111431

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 6491, 19473, 58419, 175257, 382969, 525771, 1148907, 3446721, 10340163, 31020489]

約数ペア:

[(1, 31020489), (3, 10340163), (9, 3446721), (27, 1148907), (59, 525771), (81, 382969), (177, 175257), (531, 58419), (1593, 19473), (4779, 6491)]