81520815

素因数分解:

$3^1\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{5171}}^1$

素因数の和:6230

約数の個数: 16

約数和(自身を含む): 130582656

約数和(自身を除く): 49061841

約数列:

[1, 3, 5, 15, 1051, 3153, 5171, 5255, 15513, 15765, 25855, 77565, 5434721, 16304163, 27173605, 81520815]

約数ペア:

[(1, 81520815), (3, 27173605), (5, 16304163), (15, 5434721), (1051, 77565), (3153, 25855), (5171, 15765), (5255, 15513)]