644391

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 1063296

約数和(自身を除く): 418905

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 283, 759, 849, 2277, 2547, 3113, 6509, 9339, 19527, 28017, 58581, 71599, 214797, 644391]

約数ペア:

[(1, 644391), (3, 214797), (9, 71599), (11, 58581), (23, 28017), (33, 19527), (69, 9339), (99, 6509), (207, 3113), (253, 2547), (283, 2277), (759, 849)]