201995991

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2411}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 312595200

約数和(自身を除く): 110599209

約数列:

[1, 3, 9, 27, 29, 87, 107, 261, 321, 783, 963, 2411, 2889, 3103, 7233, 9309, 21699, 27927, 65097, 69919, 83781, 209757, 257977, 629271, 773931, 1887813, 2321793, 6965379, 7481333, 22443999, 67331997, 201995991]

約数ペア:

[(1, 201995991), (3, 67331997), (9, 22443999), (27, 7481333), (29, 6965379), (87, 2321793), (107, 1887813), (261, 773931), (321, 629271), (783, 257977), (963, 209757), (2411, 83781), (2889, 69919), (3103, 65097), (7233, 27927), (9309, 21699)]