8208291

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 13644288

約数和(自身を除く): 5435997

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 281, 321, 749, 843, 1391, 1967, 2247, 3653, 4173, 5901, 9737, 10959, 25571, 29211, 30067, 76713, 90201, 210469, 390871, 631407, 1172613, 2736097, 8208291]

約数ペア:

[(1, 8208291), (3, 2736097), (7, 1172613), (13, 631407), (21, 390871), (39, 210469), (91, 90201), (107, 76713), (273, 30067), (281, 29211), (321, 25571), (749, 10959), (843, 9737), (1391, 5901), (1967, 4173), (2247, 3653)]