81498255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{319601}}^1$

素因数の和:319626

約数の個数: 16

約数和(自身を含む): 138068064

約数和(自身を除く): 56569809

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 319601, 958803, 1598005, 4794015, 5433217, 16299651, 27166085, 81498255]

約数ペア:

[(1, 81498255), (3, 27166085), (5, 16299651), (15, 5433217), (17, 4794015), (51, 1598005), (85, 958803), (255, 319601)]