219324147

素因数分解:

$3^1\times 7^4\times {\mathrm{30449}}^1$

素因数の和:30480

約数の個数: 20

約数和(自身を含む): 341161800

約数和(自身を除く): 121837653

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 30449, 91347, 213143, 639429, 1492001, 4476003, 10444007, 31332021, 73108049, 219324147]

約数ペア:

[(1, 219324147), (3, 73108049), (7, 31332021), (21, 10444007), (49, 4476003), (147, 1492001), (343, 639429), (1029, 213143), (2401, 91347), (7203, 30449)]