2011275981

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{520921}}^1$

素因数の和:520954

約数の個数: 32

約数和(自身を含む): 3500595840

約数和(自身を除く): 1489319859

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 520921, 1562763, 4688289, 5730131, 6771973, 14064867, 17190393, 20315919, 51571179, 60947757, 74491703, 154713537, 182843271, 223475109, 670425327, 2011275981]

約数ペア:

[(1, 2011275981), (3, 670425327), (9, 223475109), (11, 182843271), (13, 154713537), (27, 74491703), (33, 60947757), (39, 51571179), (99, 20315919), (117, 17190393), (143, 14064867), (297, 6771973), (351, 5730131), (429, 4688289), (1287, 1562763), (3861, 520921)]