219961215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1061}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 405565056

約数和(自身を除く): 185603841

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 271, 765, 813, 1061, 1355, 2439, 3183, 4065, 4607, 5305, 9549, 12195, 13821, 15915, 18037, 23035, 41463, 47745, 54111, 69105, 90185, 162333, 207315, 270555, 287531, 811665, 862593, 1437655, 2587779, 4312965, 4888027, 12938895, 14664081, 24440135, 43992243, 73320405, 219961215]

約数ペア:

[(1, 219961215), (3, 73320405), (5, 43992243), (9, 24440135), (15, 14664081), (17, 12938895), (45, 4888027), (51, 4312965), (85, 2587779), (153, 1437655), (255, 862593), (271, 811665), (765, 287531), (813, 270555), (1061, 207315), (1355, 162333), (2439, 90185), (3183, 69105), (4065, 54111), (4607, 47745), (5305, 41463), (9549, 23035), (12195, 18037), (13821, 15915)]