261756

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:682

約数の個数: 36

約数和(自身を含む): 722904

約数和(自身を除く): 461148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 661, 1322, 1983, 2644, 3966, 5949, 7271, 7932, 11898, 14542, 21813, 23796, 29084, 43626, 65439, 87252, 130878, 261756]

約数ペア:

[(1, 261756), (2, 130878), (3, 87252), (4, 65439), (6, 43626), (9, 29084), (11, 23796), (12, 21813), (18, 14542), (22, 11898), (33, 7932), (36, 7271), (44, 5949), (66, 3966), (99, 2644), (132, 1983), (198, 1322), (396, 661)]