231567231

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6521}}^1$

素因数の和:6639

約数の個数: 32

約数和(自身を含む): 375667200

約数和(自身を除く): 144099969

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1691, 1869, 5073, 6521, 11837, 19563, 35511, 45647, 123899, 136941, 371697, 580369, 867293, 1741107, 2601879, 4062583, 11027011, 12187749, 33081033, 77189077, 231567231]

約数ペア:

[(1, 231567231), (3, 77189077), (7, 33081033), (19, 12187749), (21, 11027011), (57, 4062583), (89, 2601879), (133, 1741107), (267, 867293), (399, 580369), (623, 371697), (1691, 136941), (1869, 123899), (5073, 45647), (6521, 35511), (11837, 19563)]