23389779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 39402240

約数和(自身を除く): 16012461

約数列:

[1, 3, 7, 19, 21, 31, 57, 61, 93, 133, 183, 217, 399, 427, 589, 651, 961, 1159, 1281, 1767, 1891, 2883, 3477, 4123, 5673, 6727, 8113, 12369, 13237, 18259, 20181, 24339, 35929, 39711, 54777, 58621, 107787, 127813, 175863, 251503, 383439, 410347, 754509, 1113799, 1231041, 3341397, 7796593, 23389779]

約数ペア:

[(1, 23389779), (3, 7796593), (7, 3341397), (19, 1231041), (21, 1113799), (31, 754509), (57, 410347), (61, 383439), (93, 251503), (133, 175863), (183, 127813), (217, 107787), (399, 58621), (427, 54777), (589, 39711), (651, 35929), (961, 24339), (1159, 20181), (1281, 18259), (1767, 13237), (1891, 12369), (2883, 8113), (3477, 6727), (4123, 5673)]