253201923

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37967}}^1$

素因数の和:38008

約数の個数: 32

約数和(自身を含む): 425241600

約数和(自身を除く): 172039677

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 6669, 37967, 113901, 341703, 493571, 721373, 1025109, 1480713, 2164119, 4442139, 6492357, 9377849, 13326417, 19477071, 28133547, 84400641, 253201923]

約数ペア:

[(1, 253201923), (3, 84400641), (9, 28133547), (13, 19477071), (19, 13326417), (27, 9377849), (39, 6492357), (57, 4442139), (117, 2164119), (171, 1480713), (247, 1025109), (351, 721373), (513, 493571), (741, 341703), (2223, 113901), (6669, 37967)]