81476997

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5519}}^1$

素因数の和:5585

約数の個数: 32

約数和(自身を含む): 134246400

約数和(自身を除く): 52769403

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 5519, 14763, 16557, 38633, 104861, 115899, 204203, 314583, 612609, 734027, 1429421, 2202081, 3879857, 4288263, 11639571, 27158999, 81476997]

約数ペア:

[(1, 81476997), (3, 27158999), (7, 11639571), (19, 4288263), (21, 3879857), (37, 2202081), (57, 1429421), (111, 734027), (133, 612609), (259, 314583), (399, 204203), (703, 115899), (777, 104861), (2109, 38633), (4921, 16557), (5519, 14763)]