156660399

素因数分解:

$3^5\times 7^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 278853120

約数和(自身を除く): 122192721

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 81, 147, 177, 189, 223, 243, 413, 441, 531, 567, 669, 1239, 1323, 1561, 1593, 1701, 2007, 2891, 3717, 3969, 4683, 4779, 6021, 8673, 10927, 11151, 11907, 13157, 14049, 14337, 18063, 26019, 32781, 33453, 39471, 42147, 54189, 78057, 92099, 98343, 100359, 118413, 126441, 234171, 276297, 295029, 355239, 379323, 644693, 702513, 828891, 885087, 1065717, 1934079, 2486673, 2655261, 3197151, 5802237, 7460019, 17406711, 22380057, 52220133, 156660399]

約数ペア:

[(1, 156660399), (3, 52220133), (7, 22380057), (9, 17406711), (21, 7460019), (27, 5802237), (49, 3197151), (59, 2655261), (63, 2486673), (81, 1934079), (147, 1065717), (177, 885087), (189, 828891), (223, 702513), (243, 644693), (413, 379323), (441, 355239), (531, 295029), (567, 276297), (669, 234171), (1239, 126441), (1323, 118413), (1561, 100359), (1593, 98343), (1701, 92099), (2007, 78057), (2891, 54189), (3717, 42147), (3969, 39471), (4683, 33453), (4779, 32781), (6021, 26019), (8673, 18063), (10927, 14337), (11151, 14049), (11907, 13157)]