218460957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2113}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 343787136

約数和(自身を除く): 125326179

約数列:

[1, 3, 11, 13, 33, 39, 143, 241, 429, 723, 2113, 2651, 3133, 6339, 7953, 9399, 23243, 27469, 34463, 69729, 82407, 103389, 302159, 509233, 906477, 1527699, 5601563, 6620029, 16804689, 19860087, 72820319, 218460957]

約数ペア:

[(1, 218460957), (3, 72820319), (11, 19860087), (13, 16804689), (33, 6620029), (39, 5601563), (143, 1527699), (241, 906477), (429, 509233), (723, 302159), (2113, 103389), (2651, 82407), (3133, 69729), (6339, 34463), (7953, 27469), (9399, 23243)]