28791285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4909}}^1$

素因数の和:4957

約数の個数: 32

約数和(自身を含む): 50906880

約数和(自身を除く): 22115595

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 4909, 5865, 14727, 24545, 73635, 83453, 112907, 250359, 338721, 417265, 564535, 1251795, 1693605, 1919419, 5758257, 9597095, 28791285]

約数ペア:

[(1, 28791285), (3, 9597095), (5, 5758257), (15, 1919419), (17, 1693605), (23, 1251795), (51, 564535), (69, 417265), (85, 338721), (115, 250359), (255, 112907), (345, 83453), (391, 73635), (1173, 24545), (1955, 14727), (4909, 5865)]