12680889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 19375104

約数和(自身を除く): 6694215

約数列:

[1, 3, 13, 23, 39, 67, 69, 201, 211, 299, 633, 871, 897, 1541, 2613, 2743, 4623, 4853, 8229, 14137, 14559, 20033, 42411, 60099, 63089, 183781, 189267, 325151, 551343, 975453, 4226963, 12680889]

約数ペア:

[(1, 12680889), (3, 4226963), (13, 975453), (23, 551343), (39, 325151), (67, 189267), (69, 183781), (201, 63089), (211, 60099), (299, 42411), (633, 20033), (871, 14559), (897, 14137), (1541, 8229), (2613, 4853), (2743, 4623)]