216948669

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{887}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 348948480

約数和(自身を除く): 131999811

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 613, 887, 1839, 2661, 4291, 6209, 11647, 12873, 16853, 18627, 34941, 50559, 81529, 117971, 244587, 353913, 543731, 1631193, 3806117, 10330889, 11418351, 30992667, 72316223, 216948669]

約数ペア:

[(1, 216948669), (3, 72316223), (7, 30992667), (19, 11418351), (21, 10330889), (57, 3806117), (133, 1631193), (399, 543731), (613, 353913), (887, 244587), (1839, 117971), (2661, 81529), (4291, 50559), (6209, 34941), (11647, 18627), (12873, 16853)]