1288172991

素因数分解:

$3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{122929}}^1$

素因数の和:123438

約数の個数: 16

約数和(自身を含む): 1966880000

約数和(自身を除く): 678707009

約数列:

[1, 3, 7, 21, 499, 1497, 3493, 10479, 122929, 368787, 860503, 2581509, 61341571, 184024713, 429390997, 1288172991]

約数ペア:

[(1, 1288172991), (3, 429390997), (7, 184024713), (21, 61341571), (499, 2581509), (1497, 860503), (3493, 368787), (10479, 122929)]