16320639

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 24422400

約数和(自身を除く): 8101761

約数列:

[1, 3, 19, 23, 57, 59, 69, 177, 211, 437, 633, 1121, 1311, 1357, 3363, 4009, 4071, 4853, 12027, 12449, 14559, 25783, 37347, 77349, 92207, 236531, 276621, 286327, 709593, 858981, 5440213, 16320639]

約数ペア:

[(1, 16320639), (3, 5440213), (19, 858981), (23, 709593), (57, 286327), (59, 276621), (69, 236531), (177, 92207), (211, 77349), (437, 37347), (633, 25783), (1121, 14559), (1311, 12449), (1357, 12027), (3363, 4853), (4009, 4071)]