51131277

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 79752960

約数和(自身を除く): 28621683

約数列:

[1, 3, 9, 23, 27, 69, 137, 207, 411, 601, 621, 1233, 1803, 3151, 3699, 5409, 9453, 13823, 16227, 28359, 41469, 82337, 85077, 124407, 247011, 373221, 741033, 1893751, 2223099, 5681253, 17043759, 51131277]

約数ペア:

[(1, 51131277), (3, 17043759), (9, 5681253), (23, 2223099), (27, 1893751), (69, 741033), (137, 373221), (207, 247011), (411, 124407), (601, 85077), (621, 82337), (1233, 41469), (1803, 28359), (3151, 16227), (3699, 13823), (5409, 9453)]