291225969

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 438641280

約数和(自身を除く): 147415311

約数列:

[1, 3, 9, 27, 131, 137, 393, 411, 601, 1179, 1233, 1803, 3537, 3699, 5409, 16227, 17947, 53841, 78731, 82337, 161523, 236193, 247011, 484569, 708579, 741033, 2125737, 2223099, 10786147, 32358441, 97075323, 291225969]

約数ペア:

[(1, 291225969), (3, 97075323), (9, 32358441), (27, 10786147), (131, 2223099), (137, 2125737), (393, 741033), (411, 708579), (601, 484569), (1179, 247011), (1233, 236193), (1803, 161523), (3537, 82337), (3699, 78731), (5409, 53841), (16227, 17947)]