13521249

素因数分解:

$3^5\times 7^1\times {\mathrm{7949}}^1$

素因数の和:7971

約数の個数: 24

約数和(自身を含む): 23150400

約数和(自身を除く): 9629151

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 7949, 23847, 55643, 71541, 166929, 214623, 500787, 643869, 1502361, 1931607, 4507083, 13521249]

約数ペア:

[(1, 13521249), (3, 4507083), (7, 1931607), (9, 1502361), (21, 643869), (27, 500787), (63, 214623), (81, 166929), (189, 71541), (243, 55643), (567, 23847), (1701, 7949)]