291222297

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{156319}}^1$

素因数の和:156354

約数の個数: 20

約数和(自身を含む): 453953280

約数和(自身を除く): 162730983

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 156319, 468957, 1406871, 3595337, 4220613, 10786011, 12661839, 32358033, 97074099, 291222297]

約数ペア:

[(1, 291222297), (3, 97074099), (9, 32358033), (23, 12661839), (27, 10786011), (69, 4220613), (81, 3595337), (207, 1406871), (621, 468957), (1863, 156319)]