200909457

素因数分解:

$3^3\times 7^2\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 348566400

約数和(自身を除く): 147656943

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 181, 189, 441, 543, 839, 1267, 1323, 1629, 2517, 3801, 4887, 5873, 7551, 8869, 11403, 17619, 22653, 26607, 34209, 41111, 52857, 79821, 123333, 151859, 158571, 239463, 369999, 455577, 1063013, 1109997, 1366731, 3189039, 4100193, 7441091, 9567117, 22323273, 28701351, 66969819, 200909457]

約数ペア:

[(1, 200909457), (3, 66969819), (7, 28701351), (9, 22323273), (21, 9567117), (27, 7441091), (49, 4100193), (63, 3189039), (147, 1366731), (181, 1109997), (189, 1063013), (441, 455577), (543, 369999), (839, 239463), (1267, 158571), (1323, 151859), (1629, 123333), (2517, 79821), (3801, 52857), (4887, 41111), (5873, 34209), (7551, 26607), (8869, 22653), (11403, 17619)]