223309191

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3691}}^1$

素因数の和:3811

約数の個数: 32

約数和(自身を含む): 353486848

約数和(自身を除く): 130177657

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 301, 469, 903, 1407, 2881, 3691, 8643, 11073, 20167, 25837, 60501, 77511, 158713, 247297, 476139, 741891, 1110991, 1731079, 3332973, 5193237, 10633771, 31901313, 74436397, 223309191]

約数ペア:

[(1, 223309191), (3, 74436397), (7, 31901313), (21, 10633771), (43, 5193237), (67, 3332973), (129, 1731079), (201, 1110991), (301, 741891), (469, 476139), (903, 247297), (1407, 158713), (2881, 77511), (3691, 60501), (8643, 25837), (11073, 20167)]