2159559

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 3347760

約数和(自身を除く): 1188201

約数列:

[1, 3, 9, 19, 57, 73, 171, 173, 219, 519, 657, 1387, 1557, 3287, 4161, 9861, 12483, 12629, 29583, 37887, 113661, 239951, 719853, 2159559]

約数ペア:

[(1, 2159559), (3, 719853), (9, 239951), (19, 113661), (57, 37887), (73, 29583), (171, 12629), (173, 12483), (219, 9861), (519, 4161), (657, 3287), (1387, 1557)]