81200007

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{10831}}^1$

素因数の和:10868

約数の個数: 36

約数和(自身を含む): 144477216

約数和(自身を除く): 63277209

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 10831, 32493, 75817, 97479, 184127, 227451, 530719, 552381, 682353, 1288889, 1592157, 1657143, 3866667, 4776471, 9022223, 11600001, 27066669, 81200007]

約数ペア:

[(1, 81200007), (3, 27066669), (7, 11600001), (9, 9022223), (17, 4776471), (21, 3866667), (49, 1657143), (51, 1592157), (63, 1288889), (119, 682353), (147, 552381), (153, 530719), (357, 227451), (441, 184127), (833, 97479), (1071, 75817), (2499, 32493), (7497, 10831)]