1331404921

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{50411}}^1$

素因数の和:50450

約数の個数: 20

約数和(自身を含む): 1694448144

約数和(自身を除く): 363043223

約数列:

[1, 7, 11, 49, 77, 343, 539, 2401, 3773, 26411, 50411, 352877, 554521, 2470139, 3881647, 17290973, 27171529, 121036811, 190200703, 1331404921]

約数ペア:

[(1, 1331404921), (7, 190200703), (11, 121036811), (49, 27171529), (77, 17290973), (343, 3881647), (539, 2470139), (2401, 554521), (3773, 352877), (26411, 50411)]