131489393

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{13219}}^1$

素因数の和:13269

約数の個数: 16

約数和(自身を含む): 158640000

約数和(自身を除く): 27150607

約数列:

[1, 7, 29, 49, 203, 343, 1421, 9947, 13219, 92533, 383351, 647731, 2683457, 4534117, 18784199, 131489393]

約数ペア:

[(1, 131489393), (7, 18784199), (29, 4534117), (49, 2683457), (203, 647731), (343, 383351), (1421, 92533), (9947, 13219)]