509900913

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{88663}}^1$

素因数の和:88746

約数の個数: 20

約数和(自身を含む): 772440768

約数和(自身を除く): 262539855

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 88663, 265989, 797967, 2393901, 6295073, 7181703, 18885219, 56655657, 169966971, 509900913]

約数ペア:

[(1, 509900913), (3, 169966971), (9, 56655657), (27, 18885219), (71, 7181703), (81, 6295073), (213, 2393901), (639, 797967), (1917, 265989), (5751, 88663)]