671431971

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{7219}}^1$

素因数の和:7375

約数の個数: 32

約数和(自身を含む): 1057239040

約数和(自身を除く): 385807069

約数列:

[1, 3, 7, 21, 43, 103, 129, 301, 309, 721, 903, 2163, 4429, 7219, 13287, 21657, 31003, 50533, 93009, 151599, 310417, 743557, 931251, 2172919, 2230671, 5204899, 6518757, 15614697, 31972951, 95918853, 223810657, 671431971]

約数ペア:

[(1, 671431971), (3, 223810657), (7, 95918853), (21, 31972951), (43, 15614697), (103, 6518757), (129, 5204899), (301, 2230671), (309, 2172919), (721, 931251), (903, 743557), (2163, 310417), (4429, 151599), (7219, 93009), (13287, 50533), (21657, 31003)]