81445635

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4049}}^1$

素因数の和:4212

約数の個数: 32

約数和(自身を含む): 145800000

約数和(自身を除く): 64354365

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4023, 4049, 6705, 12147, 20115, 20245, 36441, 60735, 109323, 182205, 546615, 603301, 1809903, 3016505, 5429709, 9049515, 16289127, 27148545, 81445635]

約数ペア:

[(1, 81445635), (3, 27148545), (5, 16289127), (9, 9049515), (15, 5429709), (27, 3016505), (45, 1809903), (135, 603301), (149, 546615), (447, 182205), (745, 109323), (1341, 60735), (2235, 36441), (4023, 20245), (4049, 20115), (6705, 12147)]