28762317

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 16718643

約数列:

[1, 3, 9, 17, 27, 51, 153, 223, 281, 459, 669, 843, 2007, 2529, 3791, 4777, 6021, 7587, 11373, 14331, 34119, 42993, 62663, 102357, 128979, 187989, 563967, 1065271, 1691901, 3195813, 9587439, 28762317]

約数ペア:

[(1, 28762317), (3, 9587439), (9, 3195813), (17, 1691901), (27, 1065271), (51, 563967), (153, 187989), (223, 128979), (281, 102357), (459, 62663), (669, 42993), (843, 34119), (2007, 14331), (2529, 11373), (3791, 7587), (4777, 6021)]