211094205

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 399168000

約数和(自身を除く): 188073795

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 89, 105, 147, 245, 267, 343, 445, 461, 623, 735, 1029, 1335, 1383, 1715, 1869, 2305, 3115, 3227, 4361, 5145, 6915, 9345, 9681, 13083, 16135, 21805, 22589, 30527, 41029, 48405, 65415, 67767, 91581, 112945, 123087, 152635, 158123, 205145, 287203, 338835, 457905, 474369, 615435, 790615, 861609, 1436015, 2010421, 2371845, 4308045, 6031263, 10052105, 14072947, 30156315, 42218841, 70364735, 211094205]

約数ペア:

[(1, 211094205), (3, 70364735), (5, 42218841), (7, 30156315), (15, 14072947), (21, 10052105), (35, 6031263), (49, 4308045), (89, 2371845), (105, 2010421), (147, 1436015), (245, 861609), (267, 790615), (343, 615435), (445, 474369), (461, 457905), (623, 338835), (735, 287203), (1029, 205145), (1335, 158123), (1383, 152635), (1715, 123087), (1869, 112945), (2305, 91581), (3115, 67767), (3227, 65415), (4361, 48405), (5145, 41029), (6915, 30527), (9345, 22589), (9681, 21805), (13083, 16135)]