12002991

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 21909888

約数和(自身を除く): 9906897

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 571, 637, 1001, 1617, 1713, 1911, 3003, 3997, 6281, 7007, 7423, 11991, 18843, 21021, 22269, 27979, 43967, 51961, 81653, 83937, 131901, 155883, 244959, 307769, 363727, 571571, 923307, 1091181, 1714713, 4000997, 12002991]

約数ペア:

[(1, 12002991), (3, 4000997), (7, 1714713), (11, 1091181), (13, 923307), (21, 571571), (33, 363727), (39, 307769), (49, 244959), (77, 155883), (91, 131901), (143, 83937), (147, 81653), (231, 51961), (273, 43967), (429, 27979), (539, 22269), (571, 21021), (637, 18843), (1001, 11991), (1617, 7423), (1713, 7007), (1911, 6281), (3003, 3997)]