280449

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:86

約数の個数: 32

約数和(自身を含む): 483840

約数和(自身を除く): 203391

約数列:

[1, 3, 9, 13, 17, 27, 39, 47, 51, 117, 141, 153, 221, 351, 423, 459, 611, 663, 799, 1269, 1833, 1989, 2397, 5499, 5967, 7191, 10387, 16497, 21573, 31161, 93483, 280449]

約数ペア:

[(1, 280449), (3, 93483), (9, 31161), (13, 21573), (17, 16497), (27, 10387), (39, 7191), (47, 5967), (51, 5499), (117, 2397), (141, 1989), (153, 1833), (221, 1269), (351, 799), (423, 663), (459, 611)]