220140531

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 377395200

約数和(自身を除く): 157254669

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 79, 117, 153, 221, 237, 351, 459, 467, 663, 711, 1027, 1343, 1401, 1989, 2133, 3081, 4029, 4203, 5967, 6071, 7939, 9243, 12087, 12609, 17459, 18213, 23817, 27729, 36261, 36893, 52377, 54639, 71451, 103207, 110679, 157131, 163917, 214353, 309621, 332037, 471393, 479609, 627181, 928863, 996111, 1438827, 1881543, 2786589, 4316481, 5644629, 8153353, 12949443, 16933887, 24460059, 73380177, 220140531]

約数ペア:

[(1, 220140531), (3, 73380177), (9, 24460059), (13, 16933887), (17, 12949443), (27, 8153353), (39, 5644629), (51, 4316481), (79, 2786589), (117, 1881543), (153, 1438827), (221, 996111), (237, 928863), (351, 627181), (459, 479609), (467, 471393), (663, 332037), (711, 309621), (1027, 214353), (1343, 163917), (1401, 157131), (1989, 110679), (2133, 103207), (3081, 71451), (4029, 54639), (4203, 52377), (5967, 36893), (6071, 36261), (7939, 27729), (9243, 23817), (12087, 18213), (12609, 17459)]