18280695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4217}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 31078224

約数和(自身を除く): 12797529

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4217, 4335, 12651, 21085, 63255, 71689, 215067, 358445, 1075335, 1218713, 3656139, 6093565, 18280695]

約数ペア:

[(1, 18280695), (3, 6093565), (5, 3656139), (15, 1218713), (17, 1075335), (51, 358445), (85, 215067), (255, 71689), (289, 63255), (867, 21085), (1445, 12651), (4217, 4335)]