25768515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 18260925

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 695, 727, 2085, 2181, 2363, 3635, 7089, 10905, 11815, 12359, 35445, 37077, 61795, 101053, 185385, 303159, 505265, 1515795, 1717901, 5153703, 8589505, 25768515]

約数ペア:

[(1, 25768515), (3, 8589505), (5, 5153703), (15, 1717901), (17, 1515795), (51, 505265), (85, 303159), (139, 185385), (255, 101053), (417, 61795), (695, 37077), (727, 35445), (2085, 12359), (2181, 11815), (2363, 10905), (3635, 7089)]