2011235805

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647741}}^1$

素因数の和:647778

約数の個数: 32

約数和(自身を含む): 3730993920

約数和(自身を除く): 1719758115

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 647741, 1943223, 3238705, 5829669, 9716115, 14898043, 17489007, 29148345, 44694129, 74490215, 87445035, 134082387, 223470645, 402247161, 670411935, 2011235805]

約数ペア:

[(1, 2011235805), (3, 670411935), (5, 402247161), (9, 223470645), (15, 134082387), (23, 87445035), (27, 74490215), (45, 44694129), (69, 29148345), (115, 17489007), (135, 14898043), (207, 9716115), (345, 5829669), (621, 3238705), (1035, 1943223), (3105, 647741)]