291278349

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{124001}}^1$

素因数の和:124042

約数の個数: 20

約数和(自身を含む): 450127260

約数和(自身を除く): 158848911

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 124001, 372003, 1116009, 3348027, 3596029, 10044081, 10788087, 32364261, 97092783, 291278349]

約数ペア:

[(1, 291278349), (3, 97092783), (9, 32364261), (27, 10788087), (29, 10044081), (81, 3596029), (87, 3348027), (261, 1116009), (783, 372003), (2349, 124001)]