28055139

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36107}}^1$

素因数の和:36154

約数の個数: 16

約数和(自身を含む): 43907328

約数和(自身を除く): 15852189

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 36107, 108321, 252749, 758247, 1335959, 4007877, 9351713, 28055139]

約数ペア:

[(1, 28055139), (3, 9351713), (7, 4007877), (21, 1335959), (37, 758247), (111, 252749), (259, 108321), (777, 36107)]