66978921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{3313}}^1$

素因数の和:3632

約数の個数: 16

約数和(自身を含む): 93534336

約数和(自身を除く): 26555415

約数列:

[1, 3, 23, 69, 293, 879, 3313, 6739, 9939, 20217, 76199, 228597, 970709, 2912127, 22326307, 66978921]

約数ペア:

[(1, 66978921), (3, 22326307), (23, 2912127), (69, 970709), (293, 228597), (879, 76199), (3313, 20217), (6739, 9939)]