2255319

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 3803800

約数和(自身を除く): 1548481

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 109, 121, 171, 209, 327, 363, 627, 981, 1089, 1199, 1881, 2071, 2299, 3597, 6213, 6897, 10791, 13189, 18639, 20691, 22781, 39567, 68343, 118701, 205029, 250591, 751773, 2255319]

約数ペア:

[(1, 2255319), (3, 751773), (9, 250591), (11, 205029), (19, 118701), (33, 68343), (57, 39567), (99, 22781), (109, 20691), (121, 18639), (171, 13189), (209, 10791), (327, 6897), (363, 6213), (627, 3597), (981, 2299), (1089, 2071), (1199, 1881)]