2573721

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 4176000

約数和(自身を除く): 1602279

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 173, 261, 513, 519, 551, 783, 1557, 1653, 3287, 4671, 4959, 5017, 9861, 14877, 15051, 29583, 45153, 88749, 95323, 135459, 285969, 857907, 2573721]

約数ペア:

[(1, 2573721), (3, 857907), (9, 285969), (19, 135459), (27, 95323), (29, 88749), (57, 45153), (87, 29583), (171, 15051), (173, 14877), (261, 9861), (513, 5017), (519, 4959), (551, 4671), (783, 3287), (1557, 1653)]