1280996817

素因数分解:

$3^1\times {\mathrm{571}}^1\times {\mathrm{643}}^1\times {\mathrm{1163}}^1$

素因数の和:2380

約数の個数: 16

約数和(自身を含む): 1715121408

約数和(自身を除く): 434124591

約数列:

[1, 3, 571, 643, 1163, 1713, 1929, 3489, 367153, 664073, 747809, 1101459, 1992219, 2243427, 426998939, 1280996817]

約数ペア:

[(1, 1280996817), (3, 426998939), (571, 2243427), (643, 1992219), (1163, 1101459), (1713, 747809), (1929, 664073), (3489, 367153)]