258347439

素因数分解:

$3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{9787}}^1$

素因数の和:10219

約数の個数: 24

約数和(自身を含む): 427539840

約数和(自身を除く): 169192401

約数列:

[1, 3, 7, 9, 21, 63, 419, 1257, 2933, 3771, 8799, 9787, 26397, 29361, 68509, 88083, 205527, 616581, 4100753, 12302259, 28705271, 36906777, 86115813, 258347439]

約数ペア:

[(1, 258347439), (3, 86115813), (7, 36906777), (9, 28705271), (21, 12302259), (63, 4100753), (419, 616581), (1257, 205527), (2933, 88083), (3771, 68509), (8799, 29361), (9787, 26397)]