27948337921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{30817}}^1$

素因数の和:31021

約数の個数: 32

約数和(自身を含む): 34366261248

約数和(自身を除く): 6417923327

約数列:

[1, 7, 23, 43, 131, 161, 301, 917, 989, 3013, 5633, 6923, 21091, 30817, 39431, 129559, 215719, 708791, 906913, 1325131, 4037027, 4961537, 9275917, 28259189, 30478013, 92851621, 173592161, 213346091, 649961347, 1215145127, 3992619703, 27948337921]

約数ペア:

[(1, 27948337921), (7, 3992619703), (23, 1215145127), (43, 649961347), (131, 213346091), (161, 173592161), (301, 92851621), (917, 30478013), (989, 28259189), (3013, 9275917), (5633, 4961537), (6923, 4037027), (21091, 1325131), (30817, 906913), (39431, 708791), (129559, 215719)]