81941295

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2179}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 138124800

約数和(自身を除く): 56183505

約数列:

[1, 3, 5, 15, 23, 69, 109, 115, 327, 345, 545, 1635, 2179, 2507, 6537, 7521, 10895, 12535, 32685, 37605, 50117, 150351, 237511, 250585, 712533, 751755, 1187555, 3562665, 5462753, 16388259, 27313765, 81941295]

約数ペア:

[(1, 81941295), (3, 27313765), (5, 16388259), (15, 5462753), (23, 3562665), (69, 1187555), (109, 751755), (115, 712533), (327, 250585), (345, 237511), (545, 150351), (1635, 50117), (2179, 37605), (2507, 32685), (6537, 12535), (7521, 10895)]