255006657

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 419616000

約数和(自身を除く): 164609343

約数列:

[1, 3, 9, 19, 27, 29, 57, 61, 87, 171, 183, 261, 281, 513, 549, 551, 783, 843, 1159, 1647, 1653, 1769, 2529, 3477, 4959, 5307, 5339, 7587, 8149, 10431, 14877, 15921, 16017, 17141, 24447, 31293, 33611, 47763, 48051, 51423, 73341, 100833, 144153, 154269, 154831, 220023, 302499, 325679, 462807, 464493, 497089, 907497, 977037, 1393479, 1491267, 2931111, 4180437, 4473801, 8793333, 9444691, 13421403, 28334073, 85002219, 255006657]

約数ペア:

[(1, 255006657), (3, 85002219), (9, 28334073), (19, 13421403), (27, 9444691), (29, 8793333), (57, 4473801), (61, 4180437), (87, 2931111), (171, 1491267), (183, 1393479), (261, 977037), (281, 907497), (513, 497089), (549, 464493), (551, 462807), (783, 325679), (843, 302499), (1159, 220023), (1647, 154831), (1653, 154269), (1769, 144153), (2529, 100833), (3477, 73341), (4959, 51423), (5307, 48051), (5339, 47763), (7587, 33611), (8149, 31293), (10431, 24447), (14877, 17141), (15921, 16017)]