12856845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 22007808

約数和(自身を除く): 9150963

約数列:

[1, 3, 5, 15, 17, 51, 85, 127, 255, 381, 397, 635, 1191, 1905, 1985, 2159, 5955, 6477, 6749, 10795, 20247, 32385, 33745, 50419, 101235, 151257, 252095, 756285, 857123, 2571369, 4285615, 12856845]

約数ペア:

[(1, 12856845), (3, 4285615), (5, 2571369), (15, 857123), (17, 756285), (51, 252095), (85, 151257), (127, 101235), (255, 50419), (381, 33745), (397, 32385), (635, 20247), (1191, 10795), (1905, 6749), (1985, 6477), (2159, 5955)]