81398862

素因数分解:

$2^1\times 3^2\times {\mathrm{269}}^1\times {\mathrm{16811}}^1$

素因数の和:17088

約数の個数: 24

約数和(自身を含む): 177030360

約数和(自身を除く): 95631498

約数列:

[1, 2, 3, 6, 9, 18, 269, 538, 807, 1614, 2421, 4842, 16811, 33622, 50433, 100866, 151299, 302598, 4522159, 9044318, 13566477, 27132954, 40699431, 81398862]

約数ペア:

[(1, 81398862), (2, 40699431), (3, 27132954), (6, 13566477), (9, 9044318), (18, 4522159), (269, 302598), (538, 151299), (807, 100866), (1614, 50433), (2421, 33622), (4842, 16811)]