399748971

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1\times {\mathrm{1867}}^1$

素因数の和:2498

約数の個数: 16

約数和(自身を含む): 537984000

約数和(自身を除く): 138235029

約数列:

[1, 3, 149, 447, 479, 1437, 1867, 5601, 71371, 214113, 278183, 834549, 894293, 2682879, 133249657, 399748971]

約数ペア:

[(1, 399748971), (3, 133249657), (149, 2682879), (447, 894293), (479, 834549), (1437, 278183), (1867, 214113), (5601, 71371)]