28756091

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{6449}}^1$

素因数の和:6483

約数の個数: 16

約数和(自身を含む): 36120000

約数和(自身を除く): 7363909

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 6449, 45143, 83837, 316001, 586859, 2212007, 4108013, 28756091]

約数ペア:

[(1, 28756091), (7, 4108013), (13, 2212007), (49, 586859), (91, 316001), (343, 83837), (637, 45143), (4459, 6449)]