7963215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 13895616

約数和(自身を除く): 5932401

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 421, 485, 1261, 1263, 1455, 2105, 3783, 5473, 6305, 6315, 16419, 18915, 27365, 40837, 82095, 122511, 204185, 530881, 612555, 1592643, 2654405, 7963215]

約数ペア:

[(1, 7963215), (3, 2654405), (5, 1592643), (13, 612555), (15, 530881), (39, 204185), (65, 122511), (97, 82095), (195, 40837), (291, 27365), (421, 18915), (485, 16419), (1261, 6315), (1263, 6305), (1455, 5473), (2105, 3783)]