109137721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19963}}^1$

素因数の和:20052

約数の個数: 16

約数和(自身を含む): 137991168

約数和(自身を除く): 28853447

約数列:

[1, 7, 11, 71, 77, 497, 781, 5467, 19963, 139741, 219593, 1417373, 1537151, 9921611, 15591103, 109137721]

約数ペア:

[(1, 109137721), (7, 15591103), (11, 9921611), (71, 1537151), (77, 1417373), (497, 219593), (781, 139741), (5467, 19963)]