15555987

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 23054304

約数和(自身を除く): 7498317

約数列:

[1, 3, 9, 97, 103, 173, 291, 309, 519, 873, 927, 1557, 9991, 16781, 17819, 29973, 50343, 53457, 89919, 151029, 160371, 1728443, 5185329, 15555987]

約数ペア:

[(1, 15555987), (3, 5185329), (9, 1728443), (97, 160371), (103, 151029), (173, 89919), (291, 53457), (309, 50343), (519, 29973), (873, 17819), (927, 16781), (1557, 9991)]