820053

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 1313312

約数和(自身を除く): 493259

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 163, 387, 489, 559, 1467, 1677, 2119, 5031, 6357, 7009, 19071, 21027, 63081, 91117, 273351, 820053]

約数ペア:

[(1, 820053), (3, 273351), (9, 91117), (13, 63081), (39, 21027), (43, 19071), (117, 7009), (129, 6357), (163, 5031), (387, 2119), (489, 1677), (559, 1467)]