68768217

素因数分解:

$3^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{881}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 120657600

約数和(自身を除く): 51889383

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 147, 177, 189, 413, 441, 531, 881, 1239, 1323, 1593, 2643, 2891, 3717, 6167, 7929, 8673, 11151, 18501, 23787, 26019, 43169, 51979, 55503, 78057, 129507, 155937, 166509, 363853, 388521, 467811, 1091559, 1165563, 1403433, 2546971, 3274677, 7640913, 9824031, 22922739, 68768217]

約数ペア:

[(1, 68768217), (3, 22922739), (7, 9824031), (9, 7640913), (21, 3274677), (27, 2546971), (49, 1403433), (59, 1165563), (63, 1091559), (147, 467811), (177, 388521), (189, 363853), (413, 166509), (441, 155937), (531, 129507), (881, 78057), (1239, 55503), (1323, 51979), (1593, 43169), (2643, 26019), (2891, 23787), (3717, 18501), (6167, 11151), (7929, 8673)]