209873313

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{105517}}^1$

素因数の和:105553

約数の個数: 24

約数和(自身を含む): 345676968

約数和(自身を除く): 135803655

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 105517, 316551, 949653, 1371721, 1793789, 4115163, 5381367, 12345489, 16144101, 23319257, 69957771, 209873313]

約数ペア:

[(1, 209873313), (3, 69957771), (9, 23319257), (13, 16144101), (17, 12345489), (39, 5381367), (51, 4115163), (117, 1793789), (153, 1371721), (221, 949653), (663, 316551), (1989, 105517)]