207142761

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 345305088

約数和(自身を除く): 138162327

約数列:

[1, 3, 7, 21, 23, 37, 67, 69, 111, 161, 173, 201, 259, 469, 483, 519, 777, 851, 1211, 1407, 1541, 2479, 2553, 3633, 3979, 4623, 5957, 6401, 7437, 10787, 11591, 11937, 17353, 17871, 19203, 27853, 32361, 34773, 44807, 52059, 57017, 81137, 83559, 134421, 147223, 171051, 243411, 266593, 399119, 428867, 441669, 799779, 1030561, 1197357, 1286601, 1866151, 3002069, 3091683, 5598453, 9006207, 9863941, 29591823, 69047587, 207142761]

約数ペア:

[(1, 207142761), (3, 69047587), (7, 29591823), (21, 9863941), (23, 9006207), (37, 5598453), (67, 3091683), (69, 3002069), (111, 1866151), (161, 1286601), (173, 1197357), (201, 1030561), (259, 799779), (469, 441669), (483, 428867), (519, 399119), (777, 266593), (851, 243411), (1211, 171051), (1407, 147223), (1541, 134421), (2479, 83559), (2553, 81137), (3633, 57017), (3979, 52059), (4623, 44807), (5957, 34773), (6401, 32361), (7437, 27853), (10787, 19203), (11591, 17871), (11937, 17353)]