201279505

素因数分解:

$5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{2903}}^1$

素因数の和:3205

約数の個数: 24

約数和(自身を含む): 282059712

約数和(自身を除く): 80780207

約数列:

[1, 5, 7, 35, 49, 245, 283, 1415, 1981, 2903, 9905, 13867, 14515, 20321, 69335, 101605, 142247, 711235, 821549, 4107745, 5750843, 28754215, 40255901, 201279505]

約数ペア:

[(1, 201279505), (5, 40255901), (7, 28754215), (35, 5750843), (49, 4107745), (245, 821549), (283, 711235), (1415, 142247), (1981, 101605), (2903, 69335), (9905, 20321), (13867, 14515)]