82912921

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 103709760

約数和(自身を除く): 20796839

約数列:

[1, 7, 13, 91, 109, 169, 643, 763, 1183, 1417, 4501, 8359, 9919, 18421, 58513, 70087, 108667, 128947, 490609, 760669, 911131, 6377917, 11844703, 82912921]

約数ペア:

[(1, 82912921), (7, 11844703), (13, 6377917), (91, 911131), (109, 760669), (169, 490609), (643, 128947), (763, 108667), (1183, 70087), (1417, 58513), (4501, 18421), (8359, 9919)]