1247279901

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1\times {\mathrm{1453}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 1950267648

約数和(自身を除く): 702987747

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 997, 1453, 2991, 4359, 6979, 10171, 20937, 30513, 40877, 59573, 122631, 178719, 286139, 417011, 858417, 1251033, 1448641, 4345923, 10140487, 30421461, 59394281, 178182843, 415759967, 1247279901]

約数ペア:

[(1, 1247279901), (3, 415759967), (7, 178182843), (21, 59394281), (41, 30421461), (123, 10140487), (287, 4345923), (861, 1448641), (997, 1251033), (1453, 858417), (2991, 417011), (4359, 286139), (6979, 178719), (10171, 122631), (20937, 59573), (30513, 40877)]