81797115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{18869}}^1$

素因数の和:18911

約数の個数: 24

約数和(自身を含む): 139034160

約数和(自身を除く): 57237045

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 18869, 56607, 94345, 283035, 320773, 962319, 1603865, 4811595, 5453141, 16359423, 27265705, 81797115]

約数ペア:

[(1, 81797115), (3, 27265705), (5, 16359423), (15, 5453141), (17, 4811595), (51, 1603865), (85, 962319), (255, 320773), (289, 283035), (867, 94345), (1445, 56607), (4335, 18869)]