639471303

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{4179551}}^1$

素因数の和:4179574

約数の個数: 12

約数和(自身を含む): 978015168

約数和(自身を除く): 338543865

約数列:

[1, 3, 9, 17, 51, 153, 4179551, 12538653, 37615959, 71052367, 213157101, 639471303]

約数ペア:

[(1, 639471303), (3, 213157101), (9, 71052367), (17, 37615959), (51, 12538653), (153, 4179551)]