199897917

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3079}}^1$

素因数の和:3185

約数の個数: 32

約数和(自身を含む): 301593600

約数和(自身を除く): 101695683

約数列:

[1, 3, 17, 19, 51, 57, 67, 201, 323, 969, 1139, 1273, 3079, 3417, 3819, 9237, 21641, 52343, 58501, 64923, 157029, 175503, 206293, 618879, 994517, 2983551, 3506981, 3919567, 10520943, 11758701, 66632639, 199897917]

約数ペア:

[(1, 199897917), (3, 66632639), (17, 11758701), (19, 10520943), (51, 3919567), (57, 3506981), (67, 2983551), (201, 994517), (323, 618879), (969, 206293), (1139, 175503), (1273, 157029), (3079, 64923), (3417, 58501), (3819, 52343), (9237, 21641)]