1390364451

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{513239}}^1$

素因数の和:513295

約数の個数: 24

約数和(自身を含む): 2348586240

約数和(自身を除く): 958221789

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 513239, 1539717, 3592673, 4619151, 10778019, 22069277, 32334057, 66207831, 154484939, 198623493, 463454817, 1390364451]

約数ペア:

[(1, 1390364451), (3, 463454817), (7, 198623493), (9, 154484939), (21, 66207831), (43, 32334057), (63, 22069277), (129, 10778019), (301, 4619151), (387, 3592673), (903, 1539717), (2709, 513239)]