201399639

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2011}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 324495360

約数和(自身を除く): 123095721

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 399, 753, 1757, 2011, 4769, 5271, 6033, 14077, 14307, 33383, 38209, 42231, 100149, 114627, 267463, 504761, 802389, 1514283, 3533327, 9590459, 10599981, 28771377, 67133213, 201399639]

約数ペア:

[(1, 201399639), (3, 67133213), (7, 28771377), (19, 10599981), (21, 9590459), (57, 3533327), (133, 1514283), (251, 802389), (399, 504761), (753, 267463), (1757, 114627), (2011, 100149), (4769, 42231), (5271, 38209), (6033, 33383), (14077, 14307)]