1216397745

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{212843}}^1$

素因数の和:212981

約数の個数: 24

約数和(自身を含む): 2125034496

約数和(自身を除く): 908636751

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 5715, 212843, 638529, 1064215, 1915587, 3192645, 9577935, 27031061, 81093183, 135155305, 243279549, 405465915, 1216397745]

約数ペア:

[(1, 1216397745), (3, 405465915), (5, 243279549), (9, 135155305), (15, 81093183), (45, 27031061), (127, 9577935), (381, 3192645), (635, 1915587), (1143, 1064215), (1905, 638529), (5715, 212843)]