860931

素因数分解:

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

素因数の和:371

約数の個数: 18

約数和(自身を含む): 1325012

約数和(自身を除く): 464081

約数列:

[1, 3, 9, 17, 51, 153, 289, 331, 867, 993, 2601, 2979, 5627, 16881, 50643, 95659, 286977, 860931]

約数ペア:

[(1, 860931), (3, 286977), (9, 95659), (17, 50643), (51, 16881), (153, 5627), (289, 2979), (331, 2601), (867, 993)]