64690587

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{769}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 100900800

約数和(自身を除く): 36210213

約数列:

[1, 3, 9, 13, 39, 117, 719, 769, 2157, 2307, 6471, 6921, 9347, 9997, 28041, 29991, 84123, 89973, 552911, 1658733, 4976199, 7187843, 21563529, 64690587]

約数ペア:

[(1, 64690587), (3, 21563529), (9, 7187843), (13, 4976199), (39, 1658733), (117, 552911), (719, 89973), (769, 84123), (2157, 29991), (2307, 28041), (6471, 9997), (6921, 9347)]