80121321

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1873}}^1$

素因数の和:1990

約数の個数: 36

約数和(自身を含む): 136086132

約数和(自身を除く): 55964811

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 291, 441, 679, 873, 1873, 2037, 4753, 5619, 6111, 13111, 14259, 16857, 39333, 42777, 91777, 117999, 181681, 275331, 545043, 825993, 1271767, 1635129, 3815301, 8902369, 11445903, 26707107, 80121321]

約数ペア:

[(1, 80121321), (3, 26707107), (7, 11445903), (9, 8902369), (21, 3815301), (49, 1635129), (63, 1271767), (97, 825993), (147, 545043), (291, 275331), (441, 181681), (679, 117999), (873, 91777), (1873, 42777), (2037, 39333), (4753, 16857), (5619, 14259), (6111, 13111)]