18807201

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 13295199

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 659, 1057, 1359, 1977, 3171, 4077, 4613, 5931, 9513, 13839, 17793, 28539, 41517, 99509, 124551, 298527, 696563, 895581, 2089689, 2686743, 6269067, 18807201]

約数ペア:

[(1, 18807201), (3, 6269067), (7, 2686743), (9, 2089689), (21, 895581), (27, 696563), (63, 298527), (151, 124551), (189, 99509), (453, 41517), (659, 28539), (1057, 17793), (1359, 13839), (1977, 9513), (3171, 5931), (4077, 4613)]