7640913

素因数分解:

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

素因数の和:957

約数の個数: 24

約数和(自身を含む): 12065760

約数和(自身を除く): 4424847

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 881, 1239, 2643, 2891, 6167, 8673, 18501, 43169, 51979, 129507, 155937, 363853, 1091559, 2546971, 7640913]

約数ペア:

[(1, 7640913), (3, 2546971), (7, 1091559), (21, 363853), (49, 155937), (59, 129507), (147, 51979), (177, 43169), (413, 18501), (881, 8673), (1239, 6167), (2643, 2891)]