1681719

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 2529792

約数和(自身を除く): 848073

約数列:

[1, 3, 13, 31, 39, 93, 107, 169, 321, 403, 507, 1209, 1391, 3317, 4173, 5239, 9951, 15717, 18083, 43121, 54249, 129363, 560573, 1681719]

約数ペア:

[(1, 1681719), (3, 560573), (13, 129363), (31, 54249), (39, 43121), (93, 18083), (107, 15717), (169, 9951), (321, 5239), (403, 4173), (507, 3317), (1209, 1391)]