19728075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15473}}^1$

素因数の和:15503

約数の個数: 24

約数和(自身を含む): 34537968

約数和(自身を除く): 14809893

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15473, 46419, 77365, 232095, 263041, 386825, 789123, 1160475, 1315205, 3945615, 6576025, 19728075]

約数ペア:

[(1, 19728075), (3, 6576025), (5, 3945615), (15, 1315205), (17, 1160475), (25, 789123), (51, 386825), (75, 263041), (85, 232095), (255, 77365), (425, 46419), (1275, 15473)]