209968202031

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1\times {\mathrm{280549}}^1$

素因数の和:280943

約数の個数: 32

約数和(自身を含む): 323409062400

約数和(自身を除く): 113440860369

約数列:

[1, 3, 7, 21, 157, 227, 471, 681, 1099, 1589, 3297, 4767, 35639, 106917, 249473, 280549, 748419, 841647, 1963843, 5891529, 44046193, 63684623, 132138579, 191053869, 308323351, 445792361, 924970053, 1337377083, 9998485811, 29995457433, 69989400677, 209968202031]

約数ペア:

[(1, 209968202031), (3, 69989400677), (7, 29995457433), (21, 9998485811), (157, 1337377083), (227, 924970053), (471, 445792361), (681, 308323351), (1099, 191053869), (1589, 132138579), (3297, 63684623), (4767, 44046193), (35639, 5891529), (106917, 1963843), (249473, 841647), (280549, 748419)]