128943554397

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{323166803}}^1$

素因数の和:323166832

約数の個数: 16

約数和(自身を含む): 206826754560

約数和(自身を除く): 77883200163

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 323166803, 969500409, 2262167621, 6140169257, 6786502863, 18420507771, 42981184799, 128943554397]

約数ペア:

[(1, 128943554397), (3, 42981184799), (7, 18420507771), (19, 6786502863), (21, 6140169257), (57, 2262167621), (133, 969500409), (399, 323166803)]