66887847

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{30089}}^1$

素因数の和:30127

約数の個数: 24

約数和(自身を含む): 109527600

約数和(自身を除く): 42639753

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 30089, 90267, 270801, 391157, 571691, 1173471, 1715073, 3520413, 5145219, 7431983, 22295949, 66887847]

約数ペア:

[(1, 66887847), (3, 22295949), (9, 7431983), (13, 5145219), (19, 3520413), (39, 1715073), (57, 1173471), (117, 571691), (171, 391157), (247, 270801), (741, 90267), (2223, 30089)]