30657319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 39222144

約数和(自身を除く): 8564825

約数列:

[1, 7, 11, 61, 77, 107, 427, 671, 749, 1177, 3721, 4697, 6527, 8239, 26047, 40931, 45689, 71797, 286517, 398147, 502579, 2787029, 4379617, 30657319]

約数ペア:

[(1, 30657319), (7, 4379617), (11, 2787029), (61, 502579), (77, 398147), (107, 286517), (427, 71797), (671, 45689), (749, 40931), (1177, 26047), (3721, 8239), (4697, 6527)]