51806013

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 81709056

約数和(自身を除く): 29903043

約数列:

[1, 3, 7, 21, 43, 103, 129, 301, 309, 557, 721, 903, 1671, 2163, 3899, 4429, 11697, 13287, 23951, 31003, 57371, 71853, 93009, 167657, 172113, 401597, 502971, 1204791, 2466953, 7400859, 17268671, 51806013]

約数ペア:

[(1, 51806013), (3, 17268671), (7, 7400859), (21, 2466953), (43, 1204791), (103, 502971), (129, 401597), (301, 172113), (309, 167657), (557, 93009), (721, 71853), (903, 57371), (1671, 31003), (2163, 23951), (3899, 13287), (4429, 11697)]