268306521

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{440569}}^1$

素因数の和:440608

約数の個数: 16

約数和(自身を含む): 422947200

約数和(自身を除く): 154640679

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 440569, 1321707, 3083983, 9251949, 12776501, 38329503, 89435507, 268306521]

約数ペア:

[(1, 268306521), (3, 89435507), (7, 38329503), (21, 12776501), (29, 9251949), (87, 3083983), (203, 1321707), (609, 440569)]