81709199

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10781}}^1$

素因数の和:10858

約数の個数: 16

約数和(自身を含む): 97814304

約数和(自身を除く): 16105105

約数列:

[1, 11, 13, 53, 143, 583, 689, 7579, 10781, 118591, 140153, 571393, 1541683, 6285323, 7428109, 81709199]

約数ペア:

[(1, 81709199), (11, 7428109), (13, 6285323), (53, 1541683), (143, 571393), (583, 140153), (689, 118591), (7579, 10781)]