681967998

素因数分解:

$2^1\times 3^4\times {\mathrm{4209679}}^1$

素因数の和:4209693

約数の個数: 20

約数和(自身を含む): 1528113840

約数和(自身を除く): 846145842

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 4209679, 8419358, 12629037, 25258074, 37887111, 75774222, 113661333, 227322666, 340983999, 681967998]

約数ペア:

[(1, 681967998), (2, 340983999), (3, 227322666), (6, 113661333), (9, 75774222), (18, 37887111), (27, 25258074), (54, 12629037), (81, 8419358), (162, 4209679)]