40628721

素因数分解:

$3^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{1549}}^1$

素因数の和:2808

約数の個数: 16

約数和(自身を含む): 62000000

約数和(自身を除く): 21371279

約数列:

[1, 3, 7, 21, 1249, 1549, 3747, 4647, 8743, 10843, 26229, 32529, 1934701, 5804103, 13542907, 40628721]

約数ペア:

[(1, 40628721), (3, 13542907), (7, 5804103), (21, 1934701), (1249, 32529), (1549, 26229), (3747, 10843), (4647, 8743)]