78688053

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{30253}}^1$

素因数の和:30293

約数の個数: 18

約数和(自身を含む): 120743714

約数和(自身を除く): 42055661

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 30253, 90759, 272277, 514301, 1542903, 4628709, 8743117, 26229351, 78688053]

約数ペア:

[(1, 78688053), (3, 26229351), (9, 8743117), (17, 4628709), (51, 1542903), (153, 514301), (289, 272277), (867, 90759), (2601, 30253)]