208609983

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{2131}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 307647600

約数和(自身を除く): 99037617

約数列:

[1, 3, 9, 73, 149, 219, 447, 657, 1341, 2131, 6393, 10877, 19179, 32631, 97893, 155563, 317519, 466689, 952557, 1400067, 2857671, 23178887, 69536661, 208609983]

約数ペア:

[(1, 208609983), (3, 69536661), (9, 23178887), (73, 2857671), (149, 1400067), (219, 952557), (447, 466689), (657, 317519), (1341, 155563), (2131, 97893), (6393, 32631), (10877, 19179)]