217612971

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{4297}}^1$

素因数の和:4651

約数の個数: 24

約数和(自身を含む): 333903024

約数和(自身を除く): 116290053

約数列:

[1, 3, 9, 17, 51, 153, 331, 993, 2979, 4297, 5627, 12891, 16881, 38673, 50643, 73049, 219147, 657441, 1422307, 4266921, 12800763, 24179219, 72537657, 217612971]

約数ペア:

[(1, 217612971), (3, 72537657), (9, 24179219), (17, 12800763), (51, 4266921), (153, 1422307), (331, 657441), (993, 219147), (2979, 73049), (4297, 50643), (5627, 38673), (12891, 16881)]