187809129

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 299520000

約数和(自身を除く): 111710871

約数列:

[1, 3, 9, 19, 31, 57, 71, 93, 171, 213, 279, 499, 589, 639, 1349, 1497, 1767, 2201, 4047, 4491, 5301, 6603, 9481, 12141, 15469, 19809, 28443, 35429, 41819, 46407, 85329, 106287, 125457, 139221, 293911, 318861, 376371, 673151, 881733, 1098299, 2019453, 2645199, 3294897, 6058359, 9884691, 20867681, 62603043, 187809129]

約数ペア:

[(1, 187809129), (3, 62603043), (9, 20867681), (19, 9884691), (31, 6058359), (57, 3294897), (71, 2645199), (93, 2019453), (171, 1098299), (213, 881733), (279, 673151), (499, 376371), (589, 318861), (639, 293911), (1349, 139221), (1497, 125457), (1767, 106287), (2201, 85329), (4047, 46407), (4491, 41819), (5301, 35429), (6603, 28443), (9481, 19809), (12141, 15469)]