1389003

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 2352960

約数和(自身を除く): 963957

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 859, 1617, 2577, 6013, 9449, 18039, 28347, 42091, 66143, 126273, 198429, 463001, 1389003]

約数ペア:

[(1, 1389003), (3, 463001), (7, 198429), (11, 126273), (21, 66143), (33, 42091), (49, 28347), (77, 18039), (147, 9449), (231, 6013), (539, 2577), (859, 1617)]