156978399

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{19813}}^1$

素因数の和:19974

約数の個数: 16

約数和(自身を含む): 221916800

約数和(自身を除く): 64938401

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 19813, 59439, 376447, 1129341, 2754007, 8262021, 52326133, 156978399]

約数ペア:

[(1, 156978399), (3, 52326133), (19, 8262021), (57, 2754007), (139, 1129341), (417, 376447), (2641, 59439), (7923, 19813)]