81272015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{4721}}^1$

素因数の和:5050

約数の個数: 16

約数和(自身を含む): 106754976

約数和(自身を除く): 25482961

約数列:

[1, 5, 11, 55, 313, 1565, 3443, 4721, 17215, 23605, 51931, 259655, 1477673, 7388365, 16254403, 81272015]

約数ペア:

[(1, 81272015), (5, 16254403), (11, 7388365), (55, 1477673), (313, 259655), (1565, 51931), (3443, 23605), (4721, 17215)]