861036771

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{70571}}^1$

素因数の和:70671

約数の個数: 24

約数和(自身を含む): 1351594944

約数和(自身を除く): 490558173

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 70571, 211713, 493997, 1481991, 3457979, 5857393, 10373937, 17572179, 41001751, 123005253, 287012257, 861036771]

約数ペア:

[(1, 861036771), (3, 287012257), (7, 123005253), (21, 41001751), (49, 17572179), (83, 10373937), (147, 5857393), (249, 3457979), (581, 1481991), (1743, 493997), (4067, 211713), (12201, 70571)]