31283329

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21383}}^1$

素因数の和:21420

約数の個数: 16

約数和(自身を含む): 41057280

約数和(自身を除く): 9773951

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21383, 149681, 235213, 406277, 1646491, 2843939, 4469047, 31283329]

約数ペア:

[(1, 31283329), (7, 4469047), (11, 2843939), (19, 1646491), (77, 406277), (133, 235213), (209, 149681), (1463, 21383)]