80780913

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{1091}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 123221280

約数和(自身を除く): 42440367

約数列:

[1, 3, 9, 19, 57, 171, 433, 1091, 1299, 3273, 3897, 8227, 9819, 20729, 24681, 62187, 74043, 186561, 472403, 1417209, 4251627, 8975657, 26926971, 80780913]

約数ペア:

[(1, 80780913), (3, 26926971), (9, 8975657), (19, 4251627), (57, 1417209), (171, 472403), (433, 186561), (1091, 74043), (1299, 62187), (3273, 24681), (3897, 20729), (8227, 9819)]