28974351

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20593}}^1$

素因数の和:20670

約数の個数: 16

約数和(自身を含む): 44812544

約数和(自身を除く): 15838193

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 20593, 61779, 144151, 432453, 1379731, 4139193, 9658117, 28974351]

約数ペア:

[(1, 28974351), (3, 9658117), (7, 4139193), (21, 1379731), (67, 432453), (201, 144151), (469, 61779), (1407, 20593)]