30881817

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{2339}}^1$

素因数の和:2514

約数の個数: 20

約数和(自身を含む): 46434960

約数和(自身を除く): 15553143

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 2339, 4401, 7017, 13203, 21051, 63153, 189459, 381257, 1143771, 3431313, 10293939, 30881817]

約数ペア:

[(1, 30881817), (3, 10293939), (9, 3431313), (27, 1143771), (81, 381257), (163, 189459), (489, 63153), (1467, 21051), (2339, 13203), (4401, 7017)]