278836245

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4021}}^1$

素因数の和:4122

約数の個数: 48

約数和(自身を含む): 511984512

約数和(自身を除く): 233148267

約数列:

[1, 3, 5, 9, 15, 23, 45, 67, 69, 115, 201, 207, 335, 345, 603, 1005, 1035, 1541, 3015, 4021, 4623, 7705, 12063, 13869, 20105, 23115, 36189, 60315, 69345, 92483, 180945, 269407, 277449, 462415, 808221, 832347, 1347035, 1387245, 2424663, 4041105, 4161735, 6196361, 12123315, 18589083, 30981805, 55767249, 92945415, 278836245]

約数ペア:

[(1, 278836245), (3, 92945415), (5, 55767249), (9, 30981805), (15, 18589083), (23, 12123315), (45, 6196361), (67, 4161735), (69, 4041105), (115, 2424663), (201, 1387245), (207, 1347035), (335, 832347), (345, 808221), (603, 462415), (1005, 277449), (1035, 269407), (1541, 180945), (3015, 92483), (4021, 69345), (4623, 60315), (7705, 36189), (12063, 23115), (13869, 20105)]