280753209

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:409

約数の個数: 56

約数和(自身を含む): 464201472

約数和(自身を除く): 183448263

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 157, 223, 243, 297, 471, 669, 729, 891, 1413, 1727, 2007, 2453, 2673, 4239, 5181, 6021, 7359, 8019, 12717, 15543, 18063, 22077, 35011, 38151, 46629, 54189, 66231, 105033, 114453, 139887, 162567, 198693, 315099, 385121, 419661, 596079, 945297, 1155363, 1258983, 1788237, 2835891, 3466089, 8507673, 10398267, 25523019, 31194801, 93584403, 280753209]

約数ペア:

[(1, 280753209), (3, 93584403), (9, 31194801), (11, 25523019), (27, 10398267), (33, 8507673), (81, 3466089), (99, 2835891), (157, 1788237), (223, 1258983), (243, 1155363), (297, 945297), (471, 596079), (669, 419661), (729, 385121), (891, 315099), (1413, 198693), (1727, 162567), (2007, 139887), (2453, 114453), (2673, 105033), (4239, 66231), (5181, 54189), (6021, 46629), (7359, 38151), (8019, 35011), (12717, 22077), (15543, 18063)]