81230895

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6661}}^1$

素因数の和:6943

約数の個数: 24

約数和(自身を含む): 141340992

約数和(自身を除く): 60110097

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 2439, 4065, 6661, 12195, 19983, 33305, 59949, 99915, 299745, 1805131, 5415393, 9025655, 16246179, 27076965, 81230895]

約数ペア:

[(1, 81230895), (3, 27076965), (5, 16246179), (9, 9025655), (15, 5415393), (45, 1805131), (271, 299745), (813, 99915), (1355, 59949), (2439, 33305), (4065, 19983), (6661, 12195)]