20150223

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 27394560

約数和(自身を除く): 7244337

約数列:

[1, 3, 89, 163, 267, 463, 489, 1389, 14507, 41207, 43521, 75469, 123621, 226407, 6716741, 20150223]

約数ペア:

[(1, 20150223), (3, 6716741), (89, 226407), (163, 123621), (267, 75469), (463, 43521), (489, 41207), (1389, 14507)]