51500211

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 80256000

約数和(自身を除く): 28755789

約数列:

[1, 3, 7, 21, 109, 149, 151, 327, 447, 453, 763, 1043, 1057, 2289, 3129, 3171, 16241, 16459, 22499, 48723, 49377, 67497, 113687, 115213, 157493, 341061, 345639, 472479, 2452391, 7357173, 17166737, 51500211]

約数ペア:

[(1, 51500211), (3, 17166737), (7, 7357173), (21, 2452391), (109, 472479), (149, 345639), (151, 341061), (327, 157493), (447, 115213), (453, 113687), (763, 67497), (1043, 49377), (1057, 48723), (2289, 22499), (3129, 16459), (3171, 16241)]