438219

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 692640

約数和(自身を除く): 254421

約数列:

[1, 3, 9, 23, 29, 69, 73, 87, 207, 219, 261, 657, 667, 1679, 2001, 2117, 5037, 6003, 6351, 15111, 19053, 48691, 146073, 438219]

約数ペア:

[(1, 438219), (3, 146073), (9, 48691), (23, 19053), (29, 15111), (69, 6351), (73, 6003), (87, 5037), (207, 2117), (219, 2001), (261, 1679), (657, 667)]