81733869

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{31643}}^1$

素因数の和:31697

約数の個数: 24

約数和(自身を含む): 138220992

約数和(自身を除く): 56487123

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 31643, 94929, 221501, 284787, 664503, 1297363, 1993509, 3892089, 9081541, 11676267, 27244623, 81733869]

約数ペア:

[(1, 81733869), (3, 27244623), (7, 11676267), (9, 9081541), (21, 3892089), (41, 1993509), (63, 1297363), (123, 664503), (287, 284787), (369, 221501), (861, 94929), (2583, 31643)]