31327317

素因数分解:

$3^6\times 7^2\times {\mathrm{877}}^1$

素因数の和:909

約数の個数: 42

約数和(自身を含む): 54700278

約数和(自身を除く): 23372961

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 877, 1323, 1701, 2631, 3969, 5103, 6139, 7893, 11907, 18417, 23679, 35721, 42973, 55251, 71037, 128919, 165753, 213111, 386757, 497259, 639333, 1160271, 1491777, 3480813, 4475331, 10442439, 31327317]

約数ペア:

[(1, 31327317), (3, 10442439), (7, 4475331), (9, 3480813), (21, 1491777), (27, 1160271), (49, 639333), (63, 497259), (81, 386757), (147, 213111), (189, 165753), (243, 128919), (441, 71037), (567, 55251), (729, 42973), (877, 35721), (1323, 23679), (1701, 18417), (2631, 11907), (3969, 7893), (5103, 6139)]