30175821

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{28657}}^1$

素因数の和:28682

約数の個数: 20

約数和(自身を含む): 48546652

約数和(自身を除く): 18370831

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 28657, 85971, 257913, 372541, 773739, 1117623, 2321217, 3352869, 10058607, 30175821]

約数ペア:

[(1, 30175821), (3, 10058607), (9, 3352869), (13, 2321217), (27, 1117623), (39, 773739), (81, 372541), (117, 257913), (351, 85971), (1053, 28657)]