9908899

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 14031360

約数和(自身を除く): 4122461

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 521, 1001, 1463, 1729, 2717, 3647, 5731, 6773, 9899, 19019, 40117, 47411, 69293, 74503, 108889, 128687, 521521, 762223, 900809, 1415557, 9908899]

約数ペア:

[(1, 9908899), (7, 1415557), (11, 900809), (13, 762223), (19, 521521), (77, 128687), (91, 108889), (133, 74503), (143, 69293), (209, 47411), (247, 40117), (521, 19019), (1001, 9899), (1463, 6773), (1729, 5731), (2717, 3647)]