71913387

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 123959808

約数和(自身を除く): 52046421

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 169, 273, 299, 483, 507, 881, 897, 1183, 2093, 2643, 3549, 3887, 6167, 6279, 11453, 11661, 18501, 20263, 27209, 34359, 60789, 80171, 81627, 141841, 148889, 240513, 263419, 425523, 446667, 790257, 1042223, 1843933, 3126669, 3424447, 5531799, 10273341, 23971129, 71913387]

約数ペア:

[(1, 71913387), (3, 23971129), (7, 10273341), (13, 5531799), (21, 3424447), (23, 3126669), (39, 1843933), (69, 1042223), (91, 790257), (161, 446667), (169, 425523), (273, 263419), (299, 240513), (483, 148889), (507, 141841), (881, 81627), (897, 80171), (1183, 60789), (2093, 34359), (2643, 27209), (3549, 20263), (3887, 18501), (6167, 11661), (6279, 11453)]