219319155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 427242816

約数和(自身を除く): 207923661

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 47, 55, 99, 121, 141, 165, 235, 363, 423, 495, 517, 605, 705, 857, 1089, 1551, 1815, 2115, 2571, 2585, 4285, 4653, 5445, 5687, 7713, 7755, 9427, 12855, 17061, 23265, 28281, 28435, 38565, 40279, 47135, 51183, 84843, 85305, 103697, 120837, 141405, 201395, 255915, 311091, 362511, 424215, 443069, 518485, 604185, 933273, 1329207, 1555455, 1812555, 2215345, 3987621, 4666365, 4873759, 6646035, 14621277, 19938105, 24368795, 43863831, 73106385, 219319155]

約数ペア:

[(1, 219319155), (3, 73106385), (5, 43863831), (9, 24368795), (11, 19938105), (15, 14621277), (33, 6646035), (45, 4873759), (47, 4666365), (55, 3987621), (99, 2215345), (121, 1812555), (141, 1555455), (165, 1329207), (235, 933273), (363, 604185), (423, 518485), (495, 443069), (517, 424215), (605, 362511), (705, 311091), (857, 255915), (1089, 201395), (1551, 141405), (1815, 120837), (2115, 103697), (2571, 85305), (2585, 84843), (4285, 51183), (4653, 47135), (5445, 40279), (5687, 38565), (7713, 28435), (7755, 28281), (9427, 23265), (12855, 17061)]