81228213

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3433}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 128568960

約数和(自身を除く): 47340747

約数列:

[1, 3, 9, 11, 33, 99, 239, 717, 2151, 2629, 3433, 7887, 10299, 23661, 30897, 37763, 113289, 339867, 820487, 2461461, 7384383, 9025357, 27076071, 81228213]

約数ペア:

[(1, 81228213), (3, 27076071), (9, 9025357), (11, 7384383), (33, 2461461), (99, 820487), (239, 339867), (717, 113289), (2151, 37763), (2629, 30897), (3433, 23661), (7887, 10299)]