208036311

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 346005504

約数和(自身を除く): 137969193

約数列:

[1, 3, 7, 21, 23, 37, 49, 69, 111, 147, 161, 259, 483, 777, 851, 1127, 1663, 1813, 2553, 3381, 4989, 5439, 5957, 11641, 17871, 34923, 38249, 41699, 61531, 81487, 114747, 125097, 184593, 244461, 267743, 430717, 803229, 1292151, 1415213, 1874201, 3015019, 4245639, 5622603, 9045057, 9906491, 29719473, 69345437, 208036311]

約数ペア:

[(1, 208036311), (3, 69345437), (7, 29719473), (21, 9906491), (23, 9045057), (37, 5622603), (49, 4245639), (69, 3015019), (111, 1874201), (147, 1415213), (161, 1292151), (259, 803229), (483, 430717), (777, 267743), (851, 244461), (1127, 184593), (1663, 125097), (1813, 114747), (2553, 81487), (3381, 61531), (4989, 41699), (5439, 38249), (5957, 34923), (11641, 17871)]