1291230279

素因数分解:

$3^2\times {\mathrm{571}}^1\times {\mathrm{251261}}^1$

素因数の和:251838

約数の個数: 12

約数和(自身を含む): 1868384232

約数和(自身を除く): 577153953

約数列:

[1, 3, 9, 571, 1713, 5139, 251261, 753783, 2261349, 143470031, 430410093, 1291230279]

約数ペア:

[(1, 1291230279), (3, 430410093), (9, 143470031), (571, 2261349), (1713, 753783), (5139, 251261)]