16640523

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4231}}^1$

素因数の和:4279

約数の個数: 24

約数和(自身を含む): 26407680

約数和(自身を除く): 9767157

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 4231, 12693, 38079, 80389, 97313, 241167, 291939, 723501, 875817, 1848947, 5546841, 16640523]

約数ペア:

[(1, 16640523), (3, 5546841), (9, 1848947), (19, 875817), (23, 723501), (57, 291939), (69, 241167), (171, 97313), (207, 80389), (437, 38079), (1311, 12693), (3933, 4231)]