2810997

素因数分解:

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

素因数の和:262

約数の個数: 32

約数和(自身を含む): 4838400

約数和(自身を除く): 2027403

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 139, 189, 321, 417, 749, 963, 973, 1251, 2247, 2889, 2919, 3753, 6741, 8757, 14873, 20223, 26271, 44619, 104111, 133857, 312333, 401571, 936999, 2810997]

約数ペア:

[(1, 2810997), (3, 936999), (7, 401571), (9, 312333), (21, 133857), (27, 104111), (63, 44619), (107, 26271), (139, 20223), (189, 14873), (321, 8757), (417, 6741), (749, 3753), (963, 2919), (973, 2889), (1251, 2247)]