2784757455

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{1471}}^1$

素因数の和:1901

約数の個数: 64

約数和(自身を含む): 5101363200

約数和(自身を除く): 2316605745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 379, 555, 999, 1137, 1471, 1665, 1895, 3411, 4413, 4995, 5685, 7355, 10233, 13239, 14023, 17055, 22065, 39717, 42069, 51165, 54427, 66195, 70115, 126207, 163281, 198585, 210345, 272135, 378621, 489843, 557509, 631035, 816405, 1469529, 1672527, 1893105, 2449215, 2787545, 5017581, 7347645, 8362635, 15052743, 20627833, 25087905, 61883499, 75263715, 103139165, 185650497, 309417495, 556951491, 928252485, 2784757455]

約数ペア:

[(1, 2784757455), (3, 928252485), (5, 556951491), (9, 309417495), (15, 185650497), (27, 103139165), (37, 75263715), (45, 61883499), (111, 25087905), (135, 20627833), (185, 15052743), (333, 8362635), (379, 7347645), (555, 5017581), (999, 2787545), (1137, 2449215), (1471, 1893105), (1665, 1672527), (1895, 1469529), (3411, 816405), (4413, 631035), (4995, 557509), (5685, 489843), (7355, 378621), (10233, 272135), (13239, 210345), (14023, 198585), (17055, 163281), (22065, 126207), (39717, 70115), (42069, 66195), (51165, 54427)]