199911033

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2147

約数の個数: 48

約数和(自身を含む): 347776000

約数和(自身を除く): 147864967

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 343, 441, 651, 1029, 1519, 1953, 2089, 3087, 4557, 6267, 10633, 13671, 14623, 18801, 31899, 43869, 64759, 95697, 102361, 131607, 194277, 307083, 453313, 582831, 716527, 921249, 1359939, 2149581, 3173191, 4079817, 6448743, 9519573, 22212337, 28558719, 66637011, 199911033]

約数ペア:

[(1, 199911033), (3, 66637011), (7, 28558719), (9, 22212337), (21, 9519573), (31, 6448743), (49, 4079817), (63, 3173191), (93, 2149581), (147, 1359939), (217, 921249), (279, 716527), (343, 582831), (441, 453313), (651, 307083), (1029, 194277), (1519, 131607), (1953, 102361), (2089, 95697), (3087, 64759), (4557, 43869), (6267, 31899), (10633, 18801), (13671, 14623)]