2186331

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 3447360

約数和(自身を除く): 1261029

約数列:

[1, 3, 7, 21, 49, 107, 139, 147, 321, 417, 749, 973, 2247, 2919, 5243, 6811, 14873, 15729, 20433, 44619, 104111, 312333, 728777, 2186331]

約数ペア:

[(1, 2186331), (3, 728777), (7, 312333), (21, 104111), (49, 44619), (107, 20433), (139, 15729), (147, 14873), (321, 6811), (417, 5243), (749, 2919), (973, 2247)]