27986959

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 38191104

約数和(自身を除く): 10204145

約数列:

[1, 7, 11, 13, 73, 77, 91, 143, 383, 511, 803, 949, 1001, 2681, 4213, 4979, 5621, 6643, 10439, 27959, 29491, 34853, 54769, 73073, 195713, 307549, 363467, 383383, 2152843, 2544269, 3998137, 27986959]

約数ペア:

[(1, 27986959), (7, 3998137), (11, 2544269), (13, 2152843), (73, 383383), (77, 363467), (91, 307549), (143, 195713), (383, 73073), (511, 54769), (803, 34853), (949, 29491), (1001, 27959), (2681, 10439), (4213, 6643), (4979, 5621)]