289555209

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{77153}}^1$

素因数の和:77301

約数の個数: 16

約数和(自身を含む): 432062400

約数和(自身を除く): 142507191

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 77153, 231459, 694377, 2083131, 10724267, 32172801, 96518403, 289555209]

約数ペア:

[(1, 289555209), (3, 96518403), (9, 32172801), (27, 10724267), (139, 2083131), (417, 694377), (1251, 231459), (3753, 77153)]