201394431

素因数分解:

$3^4\times 7^1\times {\mathrm{355193}}^1$

素因数の和:355212

約数の個数: 20

約数和(自身を含む): 343827792

約数和(自身を除く): 142433361

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 355193, 1065579, 2486351, 3196737, 7459053, 9590211, 22377159, 28770633, 67131477, 201394431]

約数ペア:

[(1, 201394431), (3, 67131477), (7, 28770633), (9, 22377159), (21, 9590211), (27, 7459053), (63, 3196737), (81, 2486351), (189, 1065579), (567, 355193)]