81289143

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2293}}^1$

素因数の和:2416

約数の個数: 32

約数和(自身を含む): 131033280

約数和(自身を除く): 49744137

約数列:

[1, 3, 9, 13, 27, 39, 101, 117, 303, 351, 909, 1313, 2293, 2727, 3939, 6879, 11817, 20637, 29809, 35451, 61911, 89427, 231593, 268281, 694779, 804843, 2084337, 3010709, 6253011, 9032127, 27096381, 81289143]

約数ペア:

[(1, 81289143), (3, 27096381), (9, 9032127), (13, 6253011), (27, 3010709), (39, 2084337), (101, 804843), (117, 694779), (303, 268281), (351, 231593), (909, 89427), (1313, 61911), (2293, 35451), (2727, 29809), (3939, 20637), (6879, 11817)]