1561567215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{471061}}^1$

素因数の和:471099

約数の個数: 32

約数和(自身を含む): 2848982976

約数和(自身を除く): 1287415761

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 471061, 1413183, 2355305, 6123793, 7065915, 8008037, 18371379, 24024111, 30618965, 40040185, 91856895, 104104481, 120120555, 312313443, 520522405, 1561567215]

約数ペア:

[(1, 1561567215), (3, 520522405), (5, 312313443), (13, 120120555), (15, 104104481), (17, 91856895), (39, 40040185), (51, 30618965), (65, 24024111), (85, 18371379), (195, 8008037), (221, 7065915), (255, 6123793), (663, 2355305), (1105, 1413183), (3315, 471061)]