27820107

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4127}}^1$

素因数の和:4247

約数の個数: 24

約数和(自身を含む): 46365696

約数和(自身を除く): 18545589

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 4127, 6741, 12381, 28889, 37143, 86667, 260001, 441589, 1324767, 3091123, 3974301, 9273369, 27820107]

約数ペア:

[(1, 27820107), (3, 9273369), (7, 3974301), (9, 3091123), (21, 1324767), (63, 441589), (107, 260001), (321, 86667), (749, 37143), (963, 28889), (2247, 12381), (4127, 6741)]