1991871063

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2432077}}^1$

素因数の和:2432103

約数の個数: 24

約数和(自身を含む): 3541105568

約数和(自身を除く): 1549234505

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 2432077, 7296231, 17024539, 21888693, 31617001, 51073617, 94851003, 153220851, 221319007, 284553009, 663957021, 1991871063]

約数ペア:

[(1, 1991871063), (3, 663957021), (7, 284553009), (9, 221319007), (13, 153220851), (21, 94851003), (39, 51073617), (63, 31617001), (91, 21888693), (117, 17024539), (273, 7296231), (819, 2432077)]