399562821

素因数分解:

$3^3\times 7^1\times {\mathrm{2114089}}^1$

素因数の和:2114105

約数の個数: 16

約数和(自身を含む): 676508800

約数和(自身を除く): 276945979

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2114089, 6342267, 14798623, 19026801, 44395869, 57080403, 133187607, 399562821]

約数ペア:

[(1, 399562821), (3, 133187607), (7, 57080403), (9, 44395869), (21, 19026801), (27, 14798623), (63, 6342267), (189, 2114089)]