2011191

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 3386880

約数和(自身を除く): 1375689

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 139, 159, 273, 371, 417, 689, 973, 1113, 1807, 2067, 2919, 4823, 5421, 7367, 12649, 14469, 22101, 37947, 51569, 95771, 154707, 287313, 670397, 2011191]

約数ペア:

[(1, 2011191), (3, 670397), (7, 287313), (13, 154707), (21, 95771), (39, 51569), (53, 37947), (91, 22101), (139, 14469), (159, 12649), (273, 7367), (371, 5421), (417, 4823), (689, 2919), (973, 2067), (1113, 1807)]