311966721

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9463}}^1$

素因数の和:9523

約数の個数: 40

約数和(自身を含む): 522185664

約数和(自身を除く): 210218943

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 891, 999, 1221, 2997, 3663, 9463, 10989, 28389, 32967, 85167, 104093, 255501, 312279, 350131, 766503, 936837, 1050393, 2810511, 3151179, 3851441, 8431533, 9453537, 11554323, 28360611, 34662969, 103988907, 311966721]

約数ペア:

[(1, 311966721), (3, 103988907), (9, 34662969), (11, 28360611), (27, 11554323), (33, 9453537), (37, 8431533), (81, 3851441), (99, 3151179), (111, 2810511), (297, 1050393), (333, 936837), (407, 766503), (891, 350131), (999, 312279), (1221, 255501), (2997, 104093), (3663, 85167), (9463, 32967), (10989, 28389)]