2220221421

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131149}}^1$

素因数の和:131191

約数の個数: 40

約数和(自身を含む): 3808596000

約数和(自身を除く): 1588374579

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1539, 1881, 5643, 16929, 131149, 393447, 1180341, 1442639, 2491831, 3541023, 4327917, 7475493, 10623069, 12983751, 22426479, 27410141, 38951253, 67279437, 82230423, 116853759, 201838311, 246691269, 740073807, 2220221421]

約数ペア:

[(1, 2220221421), (3, 740073807), (9, 246691269), (11, 201838311), (19, 116853759), (27, 82230423), (33, 67279437), (57, 38951253), (81, 27410141), (99, 22426479), (171, 12983751), (209, 10623069), (297, 7475493), (513, 4327917), (627, 3541023), (891, 2491831), (1539, 1442639), (1881, 1180341), (5643, 393447), (16929, 131149)]