81287843

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{9209}}^1$

素因数の和:9326

約数の個数: 16

約数和(自身を含む): 101088960

約数和(自身を除く): 19801117

約数列:

[1, 7, 13, 91, 97, 679, 1261, 8827, 9209, 64463, 119717, 838019, 893273, 6252911, 11612549, 81287843]

約数ペア:

[(1, 81287843), (7, 11612549), (13, 6252911), (91, 893273), (97, 838019), (679, 119717), (1261, 64463), (8827, 9209)]