678954813

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1\times {\mathrm{4919}}^1$

素因数の和:5392

約数の個数: 16

約数和(自身を含む): 914726400

約数和(自身を除く): 235771587

約数列:

[1, 3, 139, 331, 417, 993, 4919, 14757, 46009, 138027, 683741, 1628189, 2051223, 4884567, 226318271, 678954813]

約数ペア:

[(1, 678954813), (3, 226318271), (139, 4884567), (331, 2051223), (417, 1628189), (993, 683741), (4919, 138027), (14757, 46009)]