1639290639

素因数分解:

$3^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{12161}}^1$

素因数の和:12316

約数の個数: 32

約数和(自身を含む): 2568614400

約数和(自身を除く): 929323761

約数列:

[1, 3, 7, 21, 49, 131, 147, 343, 393, 917, 1029, 2751, 6419, 12161, 19257, 36483, 44933, 85127, 134799, 255381, 595889, 1593091, 1787667, 4171223, 4779273, 11151637, 12513669, 33454911, 78061459, 234184377, 546430213, 1639290639]

約数ペア:

[(1, 1639290639), (3, 546430213), (7, 234184377), (21, 78061459), (49, 33454911), (131, 12513669), (147, 11151637), (343, 4779273), (393, 4171223), (917, 1787667), (1029, 1593091), (2751, 595889), (6419, 255381), (12161, 134799), (19257, 85127), (36483, 44933)]