220992849

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{919}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 399559680

約数和(自身を除く): 178566831

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 347, 693, 919, 1041, 2429, 2757, 3123, 3817, 6433, 7287, 8271, 10109, 11451, 19299, 21861, 26719, 30327, 34353, 57897, 70763, 80157, 90981, 212289, 240471, 318893, 636867, 956679, 2232251, 2870037, 3507823, 6696753, 10523469, 20090259, 24554761, 31570407, 73664283, 220992849]

約数ペア:

[(1, 220992849), (3, 73664283), (7, 31570407), (9, 24554761), (11, 20090259), (21, 10523469), (33, 6696753), (63, 3507823), (77, 2870037), (99, 2232251), (231, 956679), (347, 636867), (693, 318893), (919, 240471), (1041, 212289), (2429, 90981), (2757, 80157), (3123, 70763), (3817, 57897), (6433, 34353), (7287, 30327), (8271, 26719), (10109, 21861), (11451, 19299)]