71009211

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 124895232

約数和(自身を除く): 53886021

約数列:

[1, 3, 7, 13, 21, 23, 39, 43, 69, 91, 129, 161, 263, 273, 299, 301, 483, 559, 789, 897, 903, 989, 1677, 1841, 2093, 2967, 3419, 3913, 5523, 6049, 6279, 6923, 10257, 11309, 11739, 12857, 18147, 20769, 23933, 33927, 38571, 42343, 71799, 78637, 79163, 89999, 127029, 147017, 235911, 237489, 260107, 269997, 441051, 550459, 780321, 1029119, 1651377, 1820749, 3087357, 3381391, 5462247, 10144173, 23669737, 71009211]

約数ペア:

[(1, 71009211), (3, 23669737), (7, 10144173), (13, 5462247), (21, 3381391), (23, 3087357), (39, 1820749), (43, 1651377), (69, 1029119), (91, 780321), (129, 550459), (161, 441051), (263, 269997), (273, 260107), (299, 237489), (301, 235911), (483, 147017), (559, 127029), (789, 89999), (897, 79163), (903, 78637), (989, 71799), (1677, 42343), (1841, 38571), (2093, 33927), (2967, 23933), (3419, 20769), (3913, 18147), (5523, 12857), (6049, 11739), (6279, 11309), (6923, 10257)]