28687065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173861}}^1$

素因数の和:173880

約数の個数: 16

約数和(自身を含む): 50072256

約数和(自身を除く): 21385191

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 173861, 521583, 869305, 1912471, 2607915, 5737413, 9562355, 28687065]

約数ペア:

[(1, 28687065), (3, 9562355), (5, 5737413), (11, 2607915), (15, 1912471), (33, 869305), (55, 521583), (165, 173861)]