388959669

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{44417}}^1$

素因数の和:44569

約数の個数: 24

約数和(自身を含む): 646726080

約数和(自身を除く): 257766411

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 44417, 133251, 310919, 399753, 932757, 2798271, 6173963, 18521889, 43217741, 55565667, 129653223, 388959669]

約数ペア:

[(1, 388959669), (3, 129653223), (7, 55565667), (9, 43217741), (21, 18521889), (63, 6173963), (139, 2798271), (417, 932757), (973, 399753), (1251, 310919), (2919, 133251), (8757, 44417)]