2758743

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 4848480

約数和(自身を除く): 2089737

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 73, 117, 153, 171, 219, 221, 247, 323, 657, 663, 741, 949, 969, 1241, 1387, 1989, 2223, 2847, 2907, 3723, 4161, 4199, 8541, 11169, 12483, 12597, 16133, 18031, 23579, 37791, 48399, 54093, 70737, 145197, 162279, 212211, 306527, 919581, 2758743]

約数ペア:

[(1, 2758743), (3, 919581), (9, 306527), (13, 212211), (17, 162279), (19, 145197), (39, 70737), (51, 54093), (57, 48399), (73, 37791), (117, 23579), (153, 18031), (171, 16133), (219, 12597), (221, 12483), (247, 11169), (323, 8541), (657, 4199), (663, 4161), (741, 3723), (949, 2907), (969, 2847), (1241, 2223), (1387, 1989)]