1778337

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 2987712

約数和(自身を除く): 1209375

約数列:

[1, 3, 9, 11, 23, 33, 69, 71, 99, 121, 207, 213, 253, 363, 639, 759, 781, 1089, 1633, 2277, 2343, 2783, 4899, 7029, 8349, 8591, 14697, 17963, 25047, 25773, 53889, 77319, 161667, 197593, 592779, 1778337]

約数ペア:

[(1, 1778337), (3, 592779), (9, 197593), (11, 161667), (23, 77319), (33, 53889), (69, 25773), (71, 25047), (99, 17963), (121, 14697), (207, 8591), (213, 8349), (253, 7029), (363, 4899), (639, 2783), (759, 2343), (781, 2277), (1089, 1633)]