81144105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1063}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 148721664

約数和(自身を除く): 67577559

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 727, 1063, 2181, 3189, 3635, 5089, 5315, 7441, 10905, 15267, 15945, 22323, 25445, 37205, 76335, 111615, 772801, 2318403, 3864005, 5409607, 11592015, 16228821, 27048035, 81144105]

約数ペア:

[(1, 81144105), (3, 27048035), (5, 16228821), (7, 11592015), (15, 5409607), (21, 3864005), (35, 2318403), (105, 772801), (727, 111615), (1063, 76335), (2181, 37205), (3189, 25445), (3635, 22323), (5089, 15945), (5315, 15267), (7441, 10905)]