161691003

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{2791}}^1$

素因数の和:2995

約数の個数: 24

約数和(自身を含む): 240860256

約数和(自身を除く): 79169253

約数列:

[1, 3, 9, 41, 123, 157, 369, 471, 1413, 2791, 6437, 8373, 19311, 25119, 57933, 114431, 343293, 438187, 1029879, 1314561, 3943683, 17965667, 53897001, 161691003]

約数ペア:

[(1, 161691003), (3, 53897001), (9, 17965667), (41, 3943683), (123, 1314561), (157, 1029879), (369, 438187), (471, 343293), (1413, 114431), (2791, 57933), (6437, 25119), (8373, 19311)]