81736119

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 135982080

約数和(自身を除く): 54245961

約数列:

[1, 3, 9, 17, 19, 31, 51, 57, 93, 153, 171, 279, 323, 527, 589, 907, 969, 1581, 1767, 2721, 2907, 4743, 5301, 8163, 10013, 15419, 17233, 28117, 30039, 46257, 51699, 84351, 90117, 138771, 155097, 253053, 292961, 477989, 534223, 878883, 1433967, 1602669, 2636649, 4301901, 4808007, 9081791, 27245373, 81736119]

約数ペア:

[(1, 81736119), (3, 27245373), (9, 9081791), (17, 4808007), (19, 4301901), (31, 2636649), (51, 1602669), (57, 1433967), (93, 878883), (153, 534223), (171, 477989), (279, 292961), (323, 253053), (527, 155097), (589, 138771), (907, 90117), (969, 84351), (1581, 51699), (1767, 46257), (2721, 30039), (2907, 28117), (4743, 17233), (5301, 15419), (8163, 10013)]