238779009

素因数分解:

$3^4\times 7^2\times {\mathrm{60161}}^1$

素因数の和:60187

約数の個数: 30

約数和(自身を含む): 414937314

約数和(自身を除く): 176158305

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 60161, 180483, 421127, 541449, 1263381, 1624347, 2947889, 3790143, 4873041, 8843667, 11370429, 26531001, 34111287, 79593003, 238779009]

約数ペア:

[(1, 238779009), (3, 79593003), (7, 34111287), (9, 26531001), (21, 11370429), (27, 8843667), (49, 4873041), (63, 3790143), (81, 2947889), (147, 1624347), (189, 1263381), (441, 541449), (567, 421127), (1323, 180483), (3969, 60161)]