81502335

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2089}}^1$

素因数の和:2137

約数の個数: 48

約数和(自身を含む): 153991200

約数和(自身を除く): 72488865

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 459, 765, 867, 1445, 2089, 2295, 2601, 4335, 6267, 7803, 10445, 13005, 18801, 31335, 35513, 39015, 56403, 94005, 106539, 177565, 282015, 319617, 532695, 603721, 958851, 1598085, 1811163, 3018605, 4794255, 5433489, 9055815, 16300467, 27167445, 81502335]

約数ペア:

[(1, 81502335), (3, 27167445), (5, 16300467), (9, 9055815), (15, 5433489), (17, 4794255), (27, 3018605), (45, 1811163), (51, 1598085), (85, 958851), (135, 603721), (153, 532695), (255, 319617), (289, 282015), (459, 177565), (765, 106539), (867, 94005), (1445, 56403), (2089, 39015), (2295, 35513), (2601, 31335), (4335, 18801), (6267, 13005), (7803, 10445)]