3964221

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:570

約数の個数: 20

約数和(自身を含む): 5989500

約数和(自身を除く): 2025279

約数列:

[1, 3, 9, 27, 81, 109, 327, 449, 981, 1347, 2943, 4041, 8829, 12123, 36369, 48941, 146823, 440469, 1321407, 3964221]

約数ペア:

[(1, 3964221), (3, 1321407), (9, 440469), (27, 146823), (81, 48941), (109, 36369), (327, 12123), (449, 8829), (981, 4041), (1347, 2943)]