156928881333

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393305467}}^1$

素因数の和:393305496

約数の個数: 16

約数和(自身を含む): 251715499520

約数和(自身を除く): 94786618187

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393305467, 1179916401, 2753138269, 7472803873, 8259414807, 22418411619, 52309627111, 156928881333]

約数ペア:

[(1, 156928881333), (3, 52309627111), (7, 22418411619), (19, 8259414807), (21, 7472803873), (57, 2753138269), (133, 1179916401), (399, 393305467)]