209429577

素因数分解:

$3^3\times 7^2\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 362793600

約数和(自身を除く): 153364023

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 311, 441, 509, 933, 1323, 1527, 2177, 2799, 3563, 4581, 6531, 8397, 10689, 13743, 15239, 19593, 24941, 32067, 45717, 58779, 74823, 96201, 137151, 158299, 224469, 411453, 474897, 673407, 1108093, 1424691, 3324279, 4274073, 7756651, 9972837, 23269953, 29918511, 69809859, 209429577]

約数ペア:

[(1, 209429577), (3, 69809859), (7, 29918511), (9, 23269953), (21, 9972837), (27, 7756651), (49, 4274073), (63, 3324279), (147, 1424691), (189, 1108093), (311, 673407), (441, 474897), (509, 411453), (933, 224469), (1323, 158299), (1527, 137151), (2177, 96201), (2799, 74823), (3563, 58779), (4581, 45717), (6531, 32067), (8397, 24941), (10689, 19593), (13743, 15239)]