628974717

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{22469}}^1$

素因数の和:22553

約数の個数: 32

約数和(自身を含む): 1012408320

約数和(自身を除く): 383433603

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 3999, 9331, 22469, 27993, 67407, 157283, 471849, 696539, 966167, 2089617, 2898501, 4875773, 6763169, 14627319, 20289507, 29951177, 89853531, 209658239, 628974717]

約数ペア:

[(1, 628974717), (3, 209658239), (7, 89853531), (21, 29951177), (31, 20289507), (43, 14627319), (93, 6763169), (129, 4875773), (217, 2898501), (301, 2089617), (651, 966167), (903, 696539), (1333, 471849), (3999, 157283), (9331, 67407), (22469, 27993)]