81912843

素因数分解:

$3^3\times {\mathrm{431}}^1\times {\mathrm{7039}}^1$

素因数の和:7479

約数の個数: 16

約数和(自身を含む): 121651200

約数和(自身を除く): 39738357

約数列:

[1, 3, 9, 27, 431, 1293, 3879, 7039, 11637, 21117, 63351, 190053, 3033809, 9101427, 27304281, 81912843]

約数ペア:

[(1, 81912843), (3, 27304281), (9, 9101427), (27, 3033809), (431, 190053), (1293, 63351), (3879, 21117), (7039, 11637)]