68404515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{268253}}^1$

素因数の和:268278

約数の個数: 16

約数和(自身を含む): 115885728

約数和(自身を除く): 47481213

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 268253, 804759, 1341265, 4023795, 4560301, 13680903, 22801505, 68404515]

約数ペア:

[(1, 68404515), (3, 22801505), (5, 13680903), (15, 4560301), (17, 4023795), (51, 1341265), (85, 804759), (255, 268253)]