2807541

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:183

約数の個数: 40

約数和(自身を含む): 4809024

約数和(自身を除く): 2001483

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 137, 207, 253, 297, 411, 621, 759, 891, 1233, 1507, 1863, 2277, 3151, 3699, 4521, 6831, 9453, 11097, 13563, 20493, 28359, 34661, 40689, 85077, 103983, 122067, 255231, 311949, 935847, 2807541]

約数ペア:

[(1, 2807541), (3, 935847), (9, 311949), (11, 255231), (23, 122067), (27, 103983), (33, 85077), (69, 40689), (81, 34661), (99, 28359), (137, 20493), (207, 13563), (253, 11097), (297, 9453), (411, 6831), (621, 4521), (759, 3699), (891, 3151), (1233, 2277), (1507, 1863)]