287919939

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4871}}^1$

素因数の和:4971

約数の個数: 32

約数和(自身を含む): 434972160

約数和(自身を除く): 147052221

約数列:

[1, 3, 17, 19, 51, 57, 61, 183, 323, 969, 1037, 1159, 3111, 3477, 4871, 14613, 19703, 59109, 82807, 92549, 248421, 277647, 297131, 891393, 1573333, 4719999, 5051227, 5645489, 15153681, 16936467, 95973313, 287919939]

約数ペア:

[(1, 287919939), (3, 95973313), (17, 16936467), (19, 15153681), (51, 5645489), (57, 5051227), (61, 4719999), (183, 1573333), (323, 891393), (969, 297131), (1037, 277647), (1159, 248421), (3111, 92549), (3477, 82807), (4871, 59109), (14613, 19703)]