281445633

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{62921}}^1$

素因数の和:63005

約数の個数: 24

約数和(自身を含む): 471159936

約数和(自身を除く): 189714303

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 62921, 188763, 440447, 566289, 1321341, 3964023, 4467391, 13402173, 31271737, 40206519, 93815211, 281445633]

約数ペア:

[(1, 281445633), (3, 93815211), (7, 40206519), (9, 31271737), (21, 13402173), (63, 4467391), (71, 3964023), (213, 1321341), (497, 566289), (639, 440447), (1491, 188763), (4473, 62921)]