25720245

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{19709}}^1$

素因数の和:19749

約数の個数: 24

約数和(自身を含む): 46121400

約数和(自身を除く): 20401155

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 19709, 59127, 98545, 177381, 295635, 571561, 886905, 1714683, 2857805, 5144049, 8573415, 25720245]

約数ペア:

[(1, 25720245), (3, 8573415), (5, 5144049), (9, 2857805), (15, 1714683), (29, 886905), (45, 571561), (87, 295635), (145, 177381), (261, 98545), (435, 59127), (1305, 19709)]