26889471

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6997}}^1$

素因数の和:7071

約数の個数: 24

約数和(自身を含む): 45123104

約数和(自身を除く): 18233633

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 6997, 20991, 48979, 62973, 146937, 426817, 440811, 1280451, 2987719, 3841353, 8963157, 26889471]

約数ペア:

[(1, 26889471), (3, 8963157), (7, 3841353), (9, 2987719), (21, 1280451), (61, 440811), (63, 426817), (183, 146937), (427, 62973), (549, 48979), (1281, 20991), (3843, 6997)]