27816399

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 48294400

約数和(自身を除く): 20478001

約数列:

[1, 3, 9, 13, 19, 27, 39, 43, 57, 97, 117, 129, 171, 247, 291, 351, 387, 513, 559, 741, 817, 873, 1161, 1261, 1677, 1843, 2223, 2451, 2619, 3783, 4171, 5031, 5529, 6669, 7353, 10621, 11349, 12513, 15093, 16587, 22059, 23959, 31863, 34047, 37539, 49761, 54223, 71877, 79249, 95589, 112617, 162669, 215631, 237747, 286767, 488007, 646893, 713241, 1030237, 1464021, 2139723, 3090711, 9272133, 27816399]

約数ペア:

[(1, 27816399), (3, 9272133), (9, 3090711), (13, 2139723), (19, 1464021), (27, 1030237), (39, 713241), (43, 646893), (57, 488007), (97, 286767), (117, 237747), (129, 215631), (171, 162669), (247, 112617), (291, 95589), (351, 79249), (387, 71877), (513, 54223), (559, 49761), (741, 37539), (817, 34047), (873, 31863), (1161, 23959), (1261, 22059), (1677, 16587), (1843, 15093), (2223, 12513), (2451, 11349), (2619, 10621), (3783, 7353), (4171, 6669), (5031, 5529)]