81728031

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{50543}}^1$

素因数の和:50571

約数の個数: 24

約数和(自身を含む): 138288384

約数和(自身を除く): 56560353

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 50543, 151629, 353801, 555973, 1061403, 1667919, 2476607, 3891811, 7429821, 11675433, 27242677, 81728031]

約数ペア:

[(1, 81728031), (3, 27242677), (7, 11675433), (11, 7429821), (21, 3891811), (33, 2476607), (49, 1667919), (77, 1061403), (147, 555973), (231, 353801), (539, 151629), (1617, 50543)]