71339247

素因数分解:

$3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1949}}^1$

素因数の和:2052

約数の個数: 36

約数和(自身を含む): 121375800

約数和(自身を除く): 50036553

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 147, 249, 441, 581, 747, 1743, 1949, 4067, 5229, 5847, 12201, 13643, 17541, 36603, 40929, 95501, 122787, 161767, 286503, 485301, 859509, 1132369, 1455903, 3397107, 7926583, 10191321, 23779749, 71339247]

約数ペア:

[(1, 71339247), (3, 23779749), (7, 10191321), (9, 7926583), (21, 3397107), (49, 1455903), (63, 1132369), (83, 859509), (147, 485301), (249, 286503), (441, 161767), (581, 122787), (747, 95501), (1743, 40929), (1949, 36603), (4067, 17541), (5229, 13643), (5847, 12201)]