28013907

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 38016000

約数和(自身を除く): 10002093

約数列:

[1, 3, 89, 239, 267, 439, 717, 1317, 21271, 39071, 63813, 104921, 117213, 314763, 9337969, 28013907]

約数ペア:

[(1, 28013907), (3, 9337969), (89, 314763), (239, 117213), (267, 104921), (439, 63813), (717, 39071), (1317, 21271)]