220444995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{638971}}^1$

素因数の和:639002

約数の個数: 16

約数和(自身を含む): 368047872

約数和(自身を除く): 147602877

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 638971, 1916913, 3194855, 9584565, 14696333, 44088999, 73481665, 220444995]

約数ペア:

[(1, 220444995), (3, 73481665), (5, 44088999), (15, 14696333), (23, 9584565), (69, 3194855), (115, 1916913), (345, 638971)]