28308717

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{9619}}^1$

素因数の和:9737

約数の個数: 16

約数和(自身を含む): 42328000

約数和(自身を除く): 14019283

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 9619, 28857, 86571, 259713, 1048471, 3145413, 9436239, 28308717]

約数ペア:

[(1, 28308717), (3, 9436239), (9, 3145413), (27, 1048471), (109, 259713), (327, 86571), (981, 28857), (2943, 9619)]