81795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:75

約数の個数: 32

約数和(自身を含む): 161280

約数和(自身を除く): 79485

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 41, 57, 95, 105, 123, 133, 205, 285, 287, 399, 615, 665, 779, 861, 1435, 1995, 2337, 3895, 4305, 5453, 11685, 16359, 27265, 81795]

約数ペア:

[(1, 81795), (3, 27265), (5, 16359), (7, 11685), (15, 5453), (19, 4305), (21, 3895), (35, 2337), (41, 1995), (57, 1435), (95, 861), (105, 779), (123, 665), (133, 615), (205, 399), (285, 287)]