13311009

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 20060352

約数和(自身を除く): 6749343

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 563, 639, 1689, 2627, 5067, 7881, 20831, 23643, 39973, 62493, 119919, 187479, 359757, 1479001, 4437003, 13311009]

約数ペア:

[(1, 13311009), (3, 4437003), (9, 1479001), (37, 359757), (71, 187479), (111, 119919), (213, 62493), (333, 39973), (563, 23643), (639, 20831), (1689, 7881), (2627, 5067)]