1280490711

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{787}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 1843239168

約数和(自身を除く): 562748457

約数列:

[1, 3, 17, 51, 61, 183, 523, 787, 1037, 1569, 2361, 3111, 8891, 13379, 26673, 31903, 40137, 48007, 95709, 144021, 411601, 542351, 816119, 1234803, 1627053, 2448357, 6997217, 20991651, 25107661, 75322983, 426830237, 1280490711]

約数ペア:

[(1, 1280490711), (3, 426830237), (17, 75322983), (51, 25107661), (61, 20991651), (183, 6997217), (523, 2448357), (787, 1627053), (1037, 1234803), (1569, 816119), (2361, 542351), (3111, 411601), (8891, 144021), (13379, 95709), (26673, 48007), (31903, 40137)]