1337005509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{15881}}^1$

素因数の和:16121

約数の個数: 32

約数和(自身を含む): 2154869760

約数和(自身を除く): 817864251

約数列:

[1, 3, 7, 19, 21, 57, 133, 211, 399, 633, 1477, 4009, 4431, 12027, 15881, 28063, 47643, 84189, 111167, 301739, 333501, 905217, 2112173, 3350891, 6336519, 10052673, 23456237, 63666929, 70368711, 191000787, 445668503, 1337005509]

約数ペア:

[(1, 1337005509), (3, 445668503), (7, 191000787), (19, 70368711), (21, 63666929), (57, 23456237), (133, 10052673), (211, 6336519), (399, 3350891), (633, 2112173), (1477, 905217), (4009, 333501), (4431, 301739), (12027, 111167), (15881, 84189), (28063, 47643)]