27981737

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3449}}^1$

素因数の和:3536

約数の個数: 16

約数和(自身を含む): 34224000

約数和(自身を除く): 6242263

約数列:

[1, 7, 19, 61, 133, 427, 1159, 3449, 8113, 24143, 65531, 210389, 458717, 1472723, 3997391, 27981737]

約数ペア:

[(1, 27981737), (7, 3997391), (19, 1472723), (61, 458717), (133, 210389), (427, 65531), (1159, 24143), (3449, 8113)]