40998879

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{7129}}^1$

素因数の和:7212

約数の個数: 20

約数和(自身を含む): 62116560

約数和(自身を除く): 21117681

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 7129, 21387, 64161, 192483, 506159, 577449, 1518477, 4555431, 13666293, 40998879]

約数ペア:

[(1, 40998879), (3, 13666293), (9, 4555431), (27, 1518477), (71, 577449), (81, 506159), (213, 192483), (639, 64161), (1917, 21387), (5751, 7129)]