820339971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 1207581696

約数和(自身を除く): 387241725

約数列:

[1, 3, 11, 33, 137, 411, 421, 431, 1263, 1293, 1507, 4521, 4631, 4741, 13893, 14223, 57677, 59047, 173031, 177141, 181451, 544353, 634447, 649517, 1903341, 1948551, 1995961, 5987883, 24858787, 74576361, 273446657, 820339971]

約数ペア:

[(1, 820339971), (3, 273446657), (11, 74576361), (33, 24858787), (137, 5987883), (411, 1995961), (421, 1948551), (431, 1903341), (1263, 649517), (1293, 634447), (1507, 544353), (4521, 181451), (4631, 177141), (4741, 173031), (13893, 59047), (14223, 57677)]