80166915

素因数分解:

$3^5\times 5^1\times {\mathrm{65981}}^1$

素因数の和:66001

約数の個数: 24

約数和(自身を含む): 144104688

約数和(自身を除く): 63937773

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 65981, 197943, 329905, 593829, 989715, 1781487, 2969145, 5344461, 8907435, 16033383, 26722305, 80166915]

約数ペア:

[(1, 80166915), (3, 26722305), (5, 16033383), (9, 8907435), (15, 5344461), (27, 2969145), (45, 1781487), (81, 989715), (135, 593829), (243, 329905), (405, 197943), (1215, 65981)]