4393977

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 6927552

約数和(自身を除く): 2533575

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 421, 497, 1263, 1491, 2947, 3479, 8841, 10437, 20629, 29891, 61887, 89673, 209237, 627711, 1464659, 4393977]

約数ペア:

[(1, 4393977), (3, 1464659), (7, 627711), (21, 209237), (49, 89673), (71, 61887), (147, 29891), (213, 20629), (421, 10437), (497, 8841), (1263, 3479), (1491, 2947)]