81927081

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4447}}^1$

素因数の和:4565

約数の個数: 24

約数和(自身を含む): 124899840

約数和(自身を除く): 42972759

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 2047, 4447, 6141, 13341, 18423, 40023, 102281, 306843, 395783, 920529, 1187349, 3562047, 9103009, 27309027, 81927081]

約数ペア:

[(1, 81927081), (3, 27309027), (9, 9103009), (23, 3562047), (69, 1187349), (89, 920529), (207, 395783), (267, 306843), (801, 102281), (2047, 40023), (4447, 18423), (6141, 13341)]