27916833

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 48250880

約数和(自身を除く): 20334047

約数列:

[1, 3, 7, 19, 21, 31, 37, 57, 61, 93, 111, 133, 183, 217, 259, 399, 427, 589, 651, 703, 777, 1147, 1159, 1281, 1767, 1891, 2109, 2257, 3441, 3477, 4123, 4921, 5673, 6771, 8029, 8113, 12369, 13237, 14763, 15799, 21793, 24087, 24339, 35929, 39711, 42883, 47397, 65379, 69967, 107787, 128649, 152551, 209901, 251503, 300181, 457653, 489769, 754509, 900543, 1329373, 1469307, 3988119, 9305611, 27916833]

約数ペア:

[(1, 27916833), (3, 9305611), (7, 3988119), (19, 1469307), (21, 1329373), (31, 900543), (37, 754509), (57, 489769), (61, 457653), (93, 300181), (111, 251503), (133, 209901), (183, 152551), (217, 128649), (259, 107787), (399, 69967), (427, 65379), (589, 47397), (651, 42883), (703, 39711), (777, 35929), (1147, 24339), (1159, 24087), (1281, 21793), (1767, 15799), (1891, 14763), (2109, 13237), (2257, 12369), (3441, 8113), (3477, 8029), (4123, 6771), (4921, 5673)]