12685653

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:998

約数の個数: 20

約数和(自身を含む): 19069600

約数和(自身を除く): 6383947

約数列:

[1, 3, 9, 27, 81, 199, 597, 787, 1791, 2361, 5373, 7083, 16119, 21249, 63747, 156613, 469839, 1409517, 4228551, 12685653]

約数ペア:

[(1, 12685653), (3, 4228551), (9, 1409517), (27, 469839), (81, 156613), (199, 63747), (597, 21249), (787, 16119), (1791, 7083), (2361, 5373)]