87820866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{696991}}^1$

素因数の和:697006

約数の個数: 24

約数和(自身を含む): 217461504

約数和(自身を除く): 129640638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 696991, 1393982, 2090973, 4181946, 4878937, 6272919, 9757874, 12545838, 14636811, 29273622, 43910433, 87820866]

約数ペア:

[(1, 87820866), (2, 43910433), (3, 29273622), (6, 14636811), (7, 12545838), (9, 9757874), (14, 6272919), (18, 4878937), (21, 4181946), (42, 2090973), (63, 1393982), (126, 696991)]