28866717

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6781}}^1$

素因数の和:6841

約数の個数: 24

約数和(自身を含む): 46551648

約数和(自身を除く): 17684931

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 6781, 20343, 61029, 74591, 223773, 291583, 671319, 874749, 2624247, 3207413, 9622239, 28866717]

約数ペア:

[(1, 28866717), (3, 9622239), (9, 3207413), (11, 2624247), (33, 874749), (43, 671319), (99, 291583), (129, 223773), (387, 74591), (473, 61029), (1419, 20343), (4257, 6781)]