979979

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 1340640

約数和(自身を除く): 360661

約数列:

[1, 7, 11, 13, 77, 89, 91, 121, 143, 623, 847, 979, 1001, 1157, 1573, 6853, 8099, 10769, 11011, 12727, 75383, 89089, 139997, 979979]

約数ペア:

[(1, 979979), (7, 139997), (11, 89089), (13, 75383), (77, 12727), (89, 11011), (91, 10769), (121, 8099), (143, 6853), (623, 1573), (847, 1157), (979, 1001)]