81739515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 75024645

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 53, 55, 65, 143, 159, 165, 195, 265, 429, 583, 689, 715, 719, 795, 1749, 2067, 2145, 2157, 2915, 3445, 3595, 7579, 7909, 8745, 9347, 10335, 10785, 22737, 23727, 28041, 37895, 38107, 39545, 46735, 102817, 113685, 114321, 118635, 140205, 190535, 308451, 419177, 495391, 514085, 571605, 1257531, 1486173, 1542255, 2095885, 2476955, 5449301, 6287655, 7430865, 16347903, 27246505, 81739515]

約数ペア:

[(1, 81739515), (3, 27246505), (5, 16347903), (11, 7430865), (13, 6287655), (15, 5449301), (33, 2476955), (39, 2095885), (53, 1542255), (55, 1486173), (65, 1257531), (143, 571605), (159, 514085), (165, 495391), (195, 419177), (265, 308451), (429, 190535), (583, 140205), (689, 118635), (715, 114321), (719, 113685), (795, 102817), (1749, 46735), (2067, 39545), (2145, 38107), (2157, 37895), (2915, 28041), (3445, 23727), (3595, 22737), (7579, 10785), (7909, 10335), (8745, 9347)]