31758723

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 40

約数和(自身を含む): 49640976

約数和(自身を除く): 17882253

約数列:

[1, 3, 9, 27, 41, 73, 81, 123, 131, 219, 369, 393, 657, 1107, 1179, 1971, 2993, 3321, 3537, 5371, 5913, 8979, 9563, 10611, 16113, 26937, 28689, 48339, 80811, 86067, 145017, 242433, 258201, 392083, 435051, 774603, 1176249, 3528747, 10586241, 31758723]

約数ペア:

[(1, 31758723), (3, 10586241), (9, 3528747), (27, 1176249), (41, 774603), (73, 435051), (81, 392083), (123, 258201), (131, 242433), (219, 145017), (369, 86067), (393, 80811), (657, 48339), (1107, 28689), (1179, 26937), (1971, 16113), (2993, 10611), (3321, 9563), (3537, 8979), (5371, 5913)]