17381871

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1013

約数の個数: 40

約数和(自身を含む): 29638224

約数和(自身を除く): 12256353

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 971, 1053, 1377, 1989, 2913, 5967, 8739, 12623, 16507, 17901, 26217, 37869, 49521, 78651, 113607, 148563, 214591, 340821, 445689, 643773, 1022463, 1337067, 1931319, 5793957, 17381871]

約数ペア:

[(1, 17381871), (3, 5793957), (9, 1931319), (13, 1337067), (17, 1022463), (27, 643773), (39, 445689), (51, 340821), (81, 214591), (117, 148563), (153, 113607), (221, 78651), (351, 49521), (459, 37869), (663, 26217), (971, 17901), (1053, 16507), (1377, 12623), (1989, 8739), (2913, 5967)]