81245265

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{174721}}^1$

素因数の和:174760

約数の個数: 16

約数和(自身を含む): 134186496

約数和(自身を除く): 52941231

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 174721, 524163, 873605, 2620815, 5416351, 16249053, 27081755, 81245265]

約数ペア:

[(1, 81245265), (3, 27081755), (5, 16249053), (15, 5416351), (31, 2620815), (93, 873605), (155, 524163), (465, 174721)]