181569789

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{719}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 276480000

約数和(自身を除く): 94910211

約数列:

[1, 3, 9, 27, 47, 141, 199, 423, 597, 719, 1269, 1791, 2157, 5373, 6471, 9353, 19413, 28059, 33793, 84177, 101379, 143081, 252531, 304137, 429243, 912411, 1287729, 3863187, 6724807, 20174421, 60523263, 181569789]

約数ペア:

[(1, 181569789), (3, 60523263), (9, 20174421), (27, 6724807), (47, 3863187), (141, 1287729), (199, 912411), (423, 429243), (597, 304137), (719, 252531), (1269, 143081), (1791, 101379), (2157, 84177), (5373, 33793), (6471, 28059), (9353, 19413)]