1278698001

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{2927}}^1$

素因数の和:3301

約数の個数: 32

約数和(自身を含む): 1983356928

約数和(自身を除く): 704658927

約数列:

[1, 3, 7, 21, 71, 213, 293, 497, 879, 1491, 2051, 2927, 6153, 8781, 20489, 20803, 61467, 62409, 145621, 207817, 436863, 623451, 857611, 1454719, 2572833, 4364157, 6003277, 18009831, 60890381, 182671143, 426232667, 1278698001]

約数ペア:

[(1, 1278698001), (3, 426232667), (7, 182671143), (21, 60890381), (71, 18009831), (213, 6003277), (293, 4364157), (497, 2572833), (879, 1454719), (1491, 857611), (2051, 623451), (2927, 436863), (6153, 207817), (8781, 145621), (20489, 62409), (20803, 61467)]