221497149

素因数分解:

$3^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1\times {\mathrm{659}}^1$

素因数の和:1424

約数の個数: 16

約数和(自身を含む): 297792000

約数和(自身を除く): 76294851

約数列:

[1, 3, 199, 563, 597, 659, 1689, 1977, 112037, 131141, 336111, 371017, 393423, 1113051, 73832383, 221497149]

約数ペア:

[(1, 221497149), (3, 73832383), (199, 1113051), (563, 393423), (597, 371017), (659, 336111), (1689, 131141), (1977, 112037)]