222783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 16

約数和(自身を含む): 333696

約数和(自身を除く): 110913

約数列:

[1, 3, 11, 33, 43, 129, 157, 471, 473, 1419, 1727, 5181, 6751, 20253, 74261, 222783]

約数ペア:

[(1, 222783), (3, 74261), (11, 20253), (33, 6751), (43, 5181), (129, 1727), (157, 1419), (471, 473)]