13879719

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 24261120

約数和(自身を除く): 10381401

約数列:

[1, 3, 7, 9, 21, 29, 63, 71, 87, 107, 203, 213, 261, 321, 497, 609, 639, 749, 963, 1491, 1827, 2059, 2247, 3103, 4473, 6177, 6741, 7597, 9309, 14413, 18531, 21721, 22791, 27927, 43239, 53179, 65163, 68373, 129717, 159537, 195489, 220313, 478611, 660939, 1542191, 1982817, 4626573, 13879719]

約数ペア:

[(1, 13879719), (3, 4626573), (7, 1982817), (9, 1542191), (21, 660939), (29, 478611), (63, 220313), (71, 195489), (87, 159537), (107, 129717), (203, 68373), (213, 65163), (261, 53179), (321, 43239), (497, 27927), (609, 22791), (639, 21721), (749, 18531), (963, 14413), (1491, 9309), (1827, 7597), (2059, 6741), (2247, 6177), (3103, 4473)]