20191547511

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1\times {\mathrm{727}}^1$

素因数の和:1293

約数の個数: 64

約数和(自身を含む): 31449600000

約数和(自身を除く): 11258052489

約数列:

[1, 3, 9, 27, 29, 79, 87, 237, 261, 449, 711, 727, 783, 1347, 2133, 2181, 2291, 4041, 6543, 6873, 12123, 13021, 19629, 20619, 21083, 35471, 39063, 57433, 61857, 63249, 106413, 117189, 172299, 189747, 319239, 326423, 351567, 516897, 569241, 957717, 979269, 1028659, 1550691, 1665557, 2937807, 3085977, 4996671, 8813421, 9257931, 9466267, 14990013, 25787417, 27773793, 28398801, 44970039, 77362251, 85196403, 232086753, 255589209, 696260259, 747835093, 2243505279, 6730515837, 20191547511]

約数ペア:

[(1, 20191547511), (3, 6730515837), (9, 2243505279), (27, 747835093), (29, 696260259), (79, 255589209), (87, 232086753), (237, 85196403), (261, 77362251), (449, 44970039), (711, 28398801), (727, 27773793), (783, 25787417), (1347, 14990013), (2133, 9466267), (2181, 9257931), (2291, 8813421), (4041, 4996671), (6543, 3085977), (6873, 2937807), (12123, 1665557), (13021, 1550691), (19629, 1028659), (20619, 979269), (21083, 957717), (35471, 569241), (39063, 516897), (57433, 351567), (61857, 326423), (63249, 319239), (106413, 189747), (117189, 172299)]