15987219

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1973}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 22203552

約数和(自身を除く): 6216333

約数列:

[1, 3, 37, 73, 111, 219, 1973, 2701, 5919, 8103, 73001, 144029, 219003, 432087, 5329073, 15987219]

約数ペア:

[(1, 15987219), (3, 5329073), (37, 432087), (73, 219003), (111, 144029), (219, 73001), (1973, 8103), (2701, 5919)]