641223

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 1105920

約数和(自身を除く): 464697

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 127, 153, 187, 297, 381, 459, 561, 1143, 1397, 1683, 2159, 3429, 4191, 5049, 6477, 12573, 19431, 23749, 37719, 58293, 71247, 213741, 641223]

約数ペア:

[(1, 641223), (3, 213741), (9, 71247), (11, 58293), (17, 37719), (27, 23749), (33, 19431), (51, 12573), (99, 6477), (127, 5049), (153, 4191), (187, 3429), (297, 2159), (381, 1683), (459, 1397), (561, 1143)]