66640821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{74293}}^1$

素因数の和:74332

約数の個数: 16

約数和(自身を含む): 99851136

約数和(自身を除く): 33210315

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 74293, 222879, 965809, 1708739, 2897427, 5126217, 22213607, 66640821]

約数ペア:

[(1, 66640821), (3, 22213607), (13, 5126217), (23, 2897427), (39, 1708739), (69, 965809), (299, 222879), (897, 74293)]