3945039

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 6259968

約数和(自身を除く): 2314929

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 571, 987, 1713, 2303, 3997, 6909, 11991, 26837, 27979, 80511, 83937, 187859, 563577, 1315013, 3945039]

約数ペア:

[(1, 3945039), (3, 1315013), (7, 563577), (21, 187859), (47, 83937), (49, 80511), (141, 27979), (147, 26837), (329, 11991), (571, 6909), (987, 3997), (1713, 2303)]